Opitz, I.;                     Specht, K.;                     Berges, R.;                     Siebert, R.;                     Piorr, A.    
        Toward Sustainability: Novelties, Areas of Learning and Innovation in Urban Agriculture. Sustainability 2016, 8, 356.
    https://doi.org/10.3390/su8040356
    AMA Style
    
                                Opitz I,                                 Specht K,                                 Berges R,                                 Siebert R,                                 Piorr A.        
                Toward Sustainability: Novelties, Areas of Learning and Innovation in Urban Agriculture. Sustainability. 2016; 8(4):356.
        https://doi.org/10.3390/su8040356
    
    Chicago/Turabian Style
    
                                Opitz, Ina,                                 Kathrin Specht,                                 Regine Berges,                                 Rosemarie Siebert,                                 and Annette Piorr.        
                2016. "Toward Sustainability: Novelties, Areas of Learning and Innovation in Urban Agriculture" Sustainability 8, no. 4: 356.
        https://doi.org/10.3390/su8040356
    
    APA Style
    
                                Opitz, I.,                                 Specht, K.,                                 Berges, R.,                                 Siebert, R.,                                 & Piorr, A.        
        
        (2016). Toward Sustainability: Novelties, Areas of Learning and Innovation in Urban Agriculture. Sustainability, 8(4), 356.
        https://doi.org/10.3390/su8040356