APA (7 वां संस्करण) प्रशस्ति पत्र

Enger, E. D., Ross, F. C., & Bailey, D. B. (2012). Concepts in biology (14th edition.). McGraw-Hill.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Enger, Eldon D., Frederick C. Ross, और David B. Bailey. Concepts in Biology. 14th edition. New York: McGraw-Hill, 2012.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Enger, Eldon D., et al. Concepts in Biology. 14th edition. McGraw-Hill, 2012.