APA (7th ed.) Citation

Halacy, D. S. (1975). The complete book of hang gliding. Hawthorn Books.

Chicago Style (17th ed.) Citation

Halacy, D. S. The Complete Book of Hang Gliding. New York: Hawthorn Books, 1975.

MLA (9th ed.) Citation

Halacy, D. S. The Complete Book of Hang Gliding. Hawthorn Books, 1975.