Cita APA (7a ed.)

Standefer, E. (1999). Modern biology. Holt, Rinehart and Winston.

Cita Chicago Style (17a ed.)

Standefer, Ellen. Modern Biology. Austin, TX: Holt, Rinehart and Winston, 1999.

Cita MLA (9a ed.)

Standefer, Ellen. Modern Biology. Holt, Rinehart and Winston, 1999.