Cita APA (7a ed.)

Watt, K. E. F. (1966). Systems analysis in ecology. Academic Press.

Cita Chicago Style (17a ed.)

Watt, Kennett E. F. Systems Analysis in Ecology. New York: Academic Press, 1966.

Cita MLA (8a ed.)

Watt, Kennett E. F. Systems Analysis in Ecology. Academic Press, 1966.