Cita APA (7th ed.)

Burke, T. E. (2013). Land snails and slugs of the Pacific Northwest. Oregon State University Press.

Cita Chicago (17th ed.)

Burke, Thomas E. Land Snails and Slugs of the Pacific Northwest. Corvallis: Oregon State University Press, 2013.

Cita MLA (9th ed.)

Burke, Thomas E. Land Snails and Slugs of the Pacific Northwest. Oregon State University Press, 2013.