APA (7th ed.) Citation

U.S. Fish and Wildlife Service. (1941). Studies on handling of fresh mackerel (Scomber scombrus). [s.n.].

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service. Studies on Handling of Fresh Mackerel (Scomber Scombrus). [Washington]: [s.n.], 1941.

MLA (9th ed.) Citation

U.S. Fish and Wildlife Service. Studies on Handling of Fresh Mackerel (Scomber Scombrus). [s.n.], 1941.