APA (7th ed.) Citation

Stiles, C. W., & Hassall, A. (1899). Internal parasites of the fur seal. Government Printing Office.

Chicago Style (17th ed.) Citation

Stiles, Charles Wardell, and Albert Hassall. Internal Parasites of the Fur Seal. Washington: Government Printing Office, 1899.

MLA (9th ed.) Citation

Stiles, Charles Wardell, and Albert Hassall. Internal Parasites of the Fur Seal. Government Printing Office, 1899.