APA (7th ed.) Citation

O'Sheel, P., & Cook, E. (1947). Semper fidelis: The U.S. marines in the Pacific, 1942-1945. William Sloane.

Chicago Style (17th ed.) Citation

O'Sheel, Patrick, and Eugene Cook. Semper Fidelis: The U.S. Marines in the Pacific, 1942-1945. New York: William Sloane, 1947.

MLA (9th ed.) Citation

O'Sheel, Patrick, and Eugene Cook. Semper Fidelis: The U.S. Marines in the Pacific, 1942-1945. William Sloane, 1947.