Cita APA

Simpson, G. G. B. (1965). Life: An introduction to biology (2.).

Chicago Edition Citation

Simpson, George Gaylord; Beck. Life: An Introduction to Biology. 2. Harcourt Brace & Co., New York, 1965.

Cita MLA

Simpson, George Gaylord; Beck. Life: An Introduction to Biology. 2. 1965.