APA (7th ed.) Citation

Enger, E. D., & Ross, F. C. (1976). Concepts in biology. McGraw-Hill.

Chicago Style (17th ed.) Citation

Enger, Eldon D., and Frederick C. Ross. Concepts in Biology. Boston: McGraw-Hill, 1976.

MLA (9th ed.) Citation

Enger, Eldon D., and Frederick C. Ross. Concepts in Biology. McGraw-Hill, 1976.