Cita APA

Hardin, G. J. 1., & Bajema, C. (1978). Biology: Its principles and implications (3. edition.). San Francisco: W.H. Freeman.

Citación estilo Chicago

Hardin, Garrett James 1915-2003, y Carl Bajema. Biology: Its Principles and Implications. 3. edition. San Francisco: W.H. Freeman, 1978.

Cita MLA

Hardin, Garrett James 1915-2003, y Carl Bajema. Biology: Its Principles and Implications. 3. edition. San Francisco: W.H. Freeman, 1978.