Reader's Digest Association & Wernert, S. J. (1998). Reader's Digest North American wildlife (Updated ed.). Reader's Digest Association.
Style de citation Chicago (17e éd.)Reader's Digest Association et Susan J. Wernert. Reader's Digest North American Wildlife. Updated ed. Pleasantville, N.Y.: Reader's Digest Association, 1998.
Style de citation MLA (8e éd.)Reader's Digest Association et Susan J. Wernert. Reader's Digest North American Wildlife. Updated ed. Reader's Digest Association, 1998.
Attention : ces citations peuvent ne pas être correctes à 100%.