APA (7th ed.) Citation

Bowditch, N. (1977). American practical navigator: An epitome of navigation. (1977 ed.). Defense Mapping Agency Hydrographic Center.

Chicago Style (17th ed.) Citation

Bowditch, Nathaniel. American Practical Navigator: An Epitome of Navigation. 1977 ed. [Washington]: Defense Mapping Agency Hydrographic Center, 1977.

MLA (9th ed.) Citation

Bowditch, Nathaniel. American Practical Navigator: An Epitome of Navigation. 1977 ed. Defense Mapping Agency Hydrographic Center, 1977.