APA (7th ed.) Citation

United States. Department of State. (1915). Port directory. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of State. Port Directory. Washington: [publisher not identified], 1915.

MLA (9th ed.) Citation

United States. Department of State. Port Directory. [publisher not identified], 1915.

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