Cita APA (7a ed.)

Pielou, E. C. (2011). The World of Northern Evergreens, Second Edition (Second edition.). Comstock Publishing Associates.

Cita Chicago Style (17a ed.)

Pielou, E. C. The World of Northern Evergreens, Second Edition. Second edition. Ithaca: Comstock Publishing Associates, 2011.

Cita MLA (8a ed.)

Pielou, E. C. The World of Northern Evergreens, Second Edition. Second edition. Comstock Publishing Associates, 2011.