APA (7th ed.) Citation

United States. Department of the Navy. (1923). Dangers of helmet diving. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of the Navy. Dangers of Helmet Diving. [Washington]: [publisher not identified], 1923.

MLA (9th ed.) Citation

United States. Department of the Navy. Dangers of Helmet Diving. [publisher not identified], 1923.

Warning: These citations may not always be 100% accurate.