APA (7th ed.) Citation

(1955). The American nautical almanac for the year 1957. United States Government Printing Office.

Chicago Style (17th ed.) Citation

The American Nautical Almanac for the Year 1957. Washington: United States Government Printing Office, 1955.

MLA (9th ed.) Citation

The American Nautical Almanac for the Year 1957. United States Government Printing Office, 1955.