APA (7th ed.) Citation

McDowall, D. (1991). The columbus project book. Headway.

Chicago Style (17th ed.) Citation

McDowall, David. The Columbus Project Book. London: Headway, 1991.

MLA (9th ed.) Citation

McDowall, David. The Columbus Project Book. Headway, 1991.

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