APA (7th ed.) Citation

Palmer, A. R. (1968). Cambrian trilobites of east-central Alaska. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Palmer, Allison R. Cambrian Trilobites of East-central Alaska. Washington: United States Department of the Interior, Geological Survey, 1968.

MLA (9th ed.) Citation

Palmer, Allison R. Cambrian Trilobites of East-central Alaska. United States Department of the Interior, Geological Survey, 1968.