APA Citation

Collins, N. M., & Morris, M. G. (1985). Threatened swallowtail butterflies of the world: The IUCN Red Data Book. Suecia: IUCN.

Chicago Style Citation

Collins, N. Marck, and Michael G. Morris. Threatened Swallowtail Butterflies of the World: The IUCN Red Data Book. Suecia: IUCN, 1985.

MLA Citation

Collins, N. Marck, and Michael G. Morris. Threatened Swallowtail Butterflies of the World: The IUCN Red Data Book. Suecia: IUCN, 1985.

Warning: These citations may not always be 100% accurate.