APA (7th ed.) Citation

London (Ship : 1766-1811), Great Britain. Admiralty, & National Archives (Great Britain). Ship London muster book, 1790-1791.

Chicago Style (17th ed.) Citation

London (Ship : 1766-1811), Great Britain. Admiralty, and National Archives (Great Britain). Ship London Muster Book, 1790-1791.

MLA (8th ed.) Citation

London (Ship : 1766-1811), et al. Ship London Muster Book, 1790-1791.

Warning: These citations may not always be 100% accurate.