APA Style

Admiralty Sailing Directions : Bay of Biscay Pilot NP22 Eleventh Edition 2010. (2010). United Kingdom: The United Kingdom Hydrogradhic Office.

MLA Style

Admiralty Sailing Directions : Bay of Biscay Pilot NP22 Eleventh Edition 2010. Ed. 11. United Kingdom: The United Kingdom Hydrogradhic Office, 2010. Text.