APA (7th ed.) Citation

Gadd, M., Boothroyd, J., & Durrell, A. (1980). The book of windsurfing : a guide to freesailing techniques / Mike Gadd, John Boothroyd, Ann Durrell: A guide to freesailing techniques. Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

Gadd, Mike, John Boothroyd, and Ann Durrell. The Book of Windsurfing : A Guide to Freesailing Techniques / Mike Gadd, John Boothroyd, Ann Durrell: A Guide to Freesailing Techniques. Toronto ; London: Van Nostrand Reinhold, 1980.

MLA (9th ed.) Citation

Gadd, Mike, et al. The Book of Windsurfing : A Guide to Freesailing Techniques / Mike Gadd, John Boothroyd, Ann Durrell: A Guide to Freesailing Techniques. Van Nostrand Reinhold, 1980.

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