Cita APA (7a ed.)

Halfon, E. (1979). Theoretical systems ecology: Advances and case studies. Academic Press.

Cita Chicago Style (17a ed.)

Halfon, Efraim. Theoretical Systems Ecology: Advances and Case Studies. New York: Academic Press, 1979.

Cita MLA (8a ed.)

Halfon, Efraim. Theoretical Systems Ecology: Advances and Case Studies. Academic Press, 1979.