APA (7th ed.) Citation

Symposium on Mathematical Biology, 1st, Washington, D.C, American Mathematical Society, & Society for Industrial and Applied Mathematics. (1968). Some mathematical problems in biology. American Mathematical Society.

Chicago Style (17th ed.) Citation

Symposium on Mathematical Biology, 1st, Washington, D.C, American Mathematical Society, and Society for Industrial and Applied Mathematics. Some Mathematical Problems in Biology. Providence: American Mathematical Society, 1968.

MLA (8th ed.) Citation

Symposium on Mathematical Biology, 1st, Washington, D.C, et al. Some Mathematical Problems in Biology. American Mathematical Society, 1968.