Cita APA

Otto, J. H., & Towle, A. (1960). Modern biology. New York: Holt, Rinehart and Winston.

Citación estilo Chicago

Otto, James H., y Albert Towle. Modern Biology. New York: Holt, Rinehart and Winston, 1960.

Cita MLA

Otto, James H., y Albert Towle. Modern Biology. New York: Holt, Rinehart and Winston, 1960.