APA (7th ed.) Citation

Odum, H. T. (1994). Ecological and general systems: An introduction to systems ecology (Rev. ed.). Univ. Press of Colorado.

Chicago Style (17th ed.) Citation

Odum, Howard T. Ecological and General Systems: An Introduction to Systems Ecology. Rev. ed. Niwot, Colo: Univ. Press of Colorado, 1994.

MLA (9th ed.) Citation

Odum, Howard T. Ecological and General Systems: An Introduction to Systems Ecology. Rev. ed. Univ. Press of Colorado, 1994.