APA (7th ed.) Citation

Seamanship International Ltd. (2006). Passage planning practice. Witherbys Seamanship International.

Chicago Style (17th ed.) Citation

Seamanship International Ltd. Passage Planning Practice. London Lanarkshire: Witherbys Seamanship International, 2006.

MLA (9th ed.) Citation

Seamanship International Ltd. Passage Planning Practice. Witherbys Seamanship International, 2006.

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