APA (7th ed.) Citation

Van Loon. (1941). Ships and how they sailed the seven seas. Livraria du Globo.

Chicago Style (17th ed.) Citation

Van Loon. Ships and How They Sailed the Seven Seas. Porto Alegre: Livraria du Globo, 1941.

MLA (8th ed.) Citation

Van Loon. Ships and How They Sailed the Seven Seas. Livraria du Globo, 1941.

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