Cita APA (7th ed.)

Levin, S. A. (1979). Some mathematical questions in biology. The American Mathematical Society.

Cita Chicago (17th ed.)

Levin, Simon A. Some Mathematical Questions in Biology. Providence: The American Mathematical Society, 1979.

Cita MLA (9th ed.)

Levin, Simon A. Some Mathematical Questions in Biology. The American Mathematical Society, 1979.