Cita APA (7a ed.)

Knight, R. L., & Meine, C. (1999). The Essential Aldo Leopold: Quotations and Commentaries. University of Wisconsin Press.

Cita Chicago Style (17a ed.)

Knight, Richard L., y Curt Meine. The Essential Aldo Leopold: Quotations and Commentaries. Madison, Wis.: University of Wisconsin Press, 1999.

Cita MLA (8a ed.)

Knight, Richard L., y Curt Meine. The Essential Aldo Leopold: Quotations and Commentaries. University of Wisconsin Press, 1999.