APA (7th ed.) Citation

Dunlap, G. D., Dutton, B., & Shufeldt, H. H. (1969). Dutton's navigation and piloting (12th ed.). United States Naval Institute.

Chicago Style (17th ed.) Citation

Dunlap, G. D., Benjamin Dutton, and H. H. Shufeldt. Dutton's Navigation and Piloting. 12th ed. Annapolis, MD: United States Naval Institute, 1969.

MLA (9th ed.) Citation

Dunlap, G. D., et al. Dutton's Navigation and Piloting. 12th ed. United States Naval Institute, 1969.