APA (7th ed.) Citation

Chamberlain, B. B. (1964). These fragile outposts. The Natural History Press.

Chicago Style (17th ed.) Citation

Chamberlain, Barbara Blan. These Fragile Outposts. New York: The Natural History Press, 1964.

MLA (9th ed.) Citation

Chamberlain, Barbara Blan. These Fragile Outposts. The Natural History Press, 1964.