The birds of Clipperton and Cocos islands.
By Robert Evans Snodgrass and Edmund Heller.

APA Citation

Snodgrass, R. E. (Robert E.)., Heller, E., Heller, E. (1902). The birds of Clipperton and Cocos islands. Washington, D. C.: The Academy.

MLA Citation

Snodgrass, R. E. (Robert E.), 1875-1962, Edmund Heller, and Edmund Heller. The Birds of Clipperton And Cocos Islands. Washington, D. C.: The Academy, 1902.

Warning: These citations may not always be complete (especially for serials).