APA Style
Office, U, K, H. (2012).
The Nautical Almanac : 2012 Comemercial Edition (2012 Edition).
United Kingdom:
.
MLA Style
Office, United, Kingdom, Hydrographic.
"The Nautical Almanac : 2012 Comemercial Edition".
2012 Edition
United Kingdom:
,
2012.
Text.