APA (7th ed.) Citation

MacGregor, D. R. (1984). Merchant sailing ships: Supremacy of sail. Naval Inst. Pr.

Chicago Style (17th ed.) Citation

MacGregor, David R. Merchant Sailing Ships: Supremacy of Sail. Annapolis, Md: Naval Inst. Pr, 1984.

MLA (9th ed.) Citation

MacGregor, David R. Merchant Sailing Ships: Supremacy of Sail. Naval Inst. Pr, 1984.

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