APA (7th ed.) Citation

Shefler, W. C. (1976). Biology: Principles and issues. Addison-Wesley.

Chicago Style (17th ed.) Citation

Shefler, William C. Biology: Principles and Issues. Reading, MA: Addison-Wesley, 1976.

MLA (9th ed.) Citation

Shefler, William C. Biology: Principles and Issues. Addison-Wesley, 1976.

Warning: These citations may not always be 100% accurate.