Cita APA (7th ed.)

Pilcher, J. (1990). For a balanced ecology: Ban logging temporarily for 25 years.

Cita Chicago (17th ed.)

Pilcher, John. For a Balanced Ecology: Ban Logging Temporarily for 25 Years. 1990.

Cita MLA (9th ed.)

Pilcher, John. For a Balanced Ecology: Ban Logging Temporarily for 25 Years. 1990.