Cita APA (7th ed.)

Hammen, C. S. (1972). Elementary quantitative biology. John Wiley.

Cita Chicago (17th ed.)

Hammen, Carl Schlee. Elementary Quantitative Biology. Nueva York: John Wiley, 1972.

Cita MLA (9th ed.)

Hammen, Carl Schlee. Elementary Quantitative Biology. John Wiley, 1972.