Cita APA (7a ed.)

Foundation for Environmental Conservation. (1974). Environmental conservation. Elsevier Sequoia.

Cita Chicago Style (17a ed.)

Foundation for Environmental Conservation. Environmental Conservation. Lausanne: Elsevier Sequoia, 1974.

Cita MLA (9a ed.)

Foundation for Environmental Conservation. Environmental Conservation. Elsevier Sequoia, 1974.