Cita APA (7th ed.)

Wiegert, R. G. (1976). Ecological energetics. Dowden, Hutchinson & Ross.

Cita Chicago (17th ed.)

Wiegert, Richard G. Ecological Energetics. Stroudsburg: Dowden, Hutchinson & Ross, 1976.

Cita MLA (9th ed.)

Wiegert, Richard G. Ecological Energetics. Dowden, Hutchinson & Ross, 1976.