APA (7th ed.) Citation
National Wildlife Federation & Canadian Wildlife Federation. (1971). International wildlife. National Wildlife Federation.
Chicago Style (17th ed.) Citation
National Wildlife Federation and Canadian Wildlife Federation. International Wildlife. [Washington, D.C.]: National Wildlife Federation, 1971.
MLA (9th ed.) Citation
National Wildlife Federation and Canadian Wildlife Federation. International Wildlife. National Wildlife Federation, 1971.
Warning: These citations may not always be 100% accurate.