APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

ScienceDirect (Online service) and Efraim Halfon. Theoretical Systems Ecology: Advances and Case Studies. New York: Academic Press, 1979.

MLA (9th ed.) Citation

ScienceDirect (Online service) and Efraim Halfon. Theoretical Systems Ecology: Advances and Case Studies. Academic Press, 1979.

Warning: These citations may not always be 100% accurate.