APA引文

ALMANAC. (1991). Almanac for computers 1991. Nautical Almanac Office.

Chicago Style (17th ed.) Citation

ALMANAC. Almanac for Computers 1991. Washington: Nautical Almanac Office, 1991.

MLA引文

ALMANAC. Almanac for Computers 1991. Nautical Almanac Office, 1991.

警告：這些引文格式不一定是100％准確.