APA način citiranja (7. izdanje)
Hahlbrock, K., Skogley, D., & Wiegandt, K. (2009). Feeding the planet: Environmental protection through sustainable agriculture. Haus Publishing.
Čikaški stil citiranja (17. izdanje)
Hahlbrock, Klaus, David Skogley, i Klaus Wiegandt. Feeding the Planet: Environmental Protection Through Sustainable Agriculture. London, [England]: Haus Publishing, 2009.
MLA način citiranja (9. izdanje)
Hahlbrock, Klaus, et al. Feeding the Planet: Environmental Protection Through Sustainable Agriculture. Haus Publishing, 2009.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.