Cita APA (7th ed.)

Bernstein, R., & Bernstein, S. (1996). Biology. Wm. C. Brown Publishers.

Cita Chicago (17th ed.)

Bernstein, Ruth, i Stephen Bernstein. Biology. Dubuque, IA: Wm. C. Brown Publishers, 1996.

Cita MLA (9th ed.)

Bernstein, Ruth, i Stephen Bernstein. Biology. Wm. C. Brown Publishers, 1996.