APA (7th ed.) Citation

Watson, H. (1944). Shavetail Sam, U. S. army mule. Houghton Mifflin company.

Chicago Style (17th ed.) Citation

Watson, Helen. Shavetail Sam, U. S. Army Mule. Boston: Houghton Mifflin company, 1944.

MLA (9th ed.) Citation

Watson, Helen. Shavetail Sam, U. S. Army Mule. Houghton Mifflin company, 1944.