Cita APA

Bernards, N. (1991). The Environmental crisis--opposing viewpoints. Greenhaven Press.

Citación estilo Chicago

Bernards, Neal. The Environmental Crisis--opposing Viewpoints. San Diego, CA: Greenhaven Press, 1991.

Cita MLA

Bernards, Neal. The Environmental Crisis--opposing Viewpoints. Greenhaven Press, 1991.

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