Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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