APA

Stiles F. G., Wolf L. L., . (1979). Ecology and evolution of lek mating behavior in the long-tailed hermit hummingbird. Washington, DC: The American Ornithologists' Union.

Chicago

Stiles F Gary, Wolf Larry L, . 1979. Ecology and evolution of lek mating behavior in the long-tailed hermit hummingbird. Washington, DC: The American Ornithologists' Union.

Harvard

Stiles F. G., Wolf L. L., . (1979). Ecology and evolution of lek mating behavior in the long-tailed hermit hummingbird. Washington, DC: The American Ornithologists' Union.

MLA

Stiles F Gary, Wolf Larry L, . Ecology and evolution of lek mating behavior in the long-tailed hermit hummingbird. Washington, DC: The American Ornithologists' Union. 1979.