Schweer. (1990). How to trim sails (2nd edition.). Adlard Coles Nautical.
Chicago Style (17th ed.) CitationSchweer. How to Trim Sails. 2nd edition. London: Adlard Coles Nautical, 1990.
MLA (8th ed.) CitationSchweer. How to Trim Sails. 2nd edition. Adlard Coles Nautical, 1990.
Warning: These citations may not always be 100% accurate.