APA (7th ed.) Citation

Ingle, N. R., & Heaney, L. R. (1992). A key to the bats of the Philippine Islands. Field Museum of Natural History.

Chicago Style (17th ed.) Citation

Ingle, Nina R., and Lawrence R. Heaney. A Key to the Bats of the Philippine Islands. Chicago, Ill: Field Museum of Natural History, 1992.

MLA (9th ed.) Citation

Ingle, Nina R., and Lawrence R. Heaney. A Key to the Bats of the Philippine Islands. Field Museum of Natural History, 1992.