APA Style
The Nautical Almanac 2013: Her Majesty's Nautical Almanac Office NP314 - 13. (2012).
New York:
The United Kingdom Hydrographic Office.
MLA Style
The Nautical Almanac 2013: Her Majesty's Nautical Almanac Office NP314 - 13.
.
New York:
The United Kingdom Hydrographic Office,
2012.
Text.