APA (7 वां संस्करण) प्रशस्ति पत्र

Helga, Greene, C., & Olkowski, W. (1975). The city peoples book of raising food. Rodale Press.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Helga, Cathy Greene, और William Olkowski. The City Peoples Book of Raising Food. Pennsylvania: Rodale Press, 1975.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Helga, et al. The City Peoples Book of Raising Food. Rodale Press, 1975.