APA (7th ed.) Citation

Hawkins, K., & Hawkins, G. (1982). Bicycle touring in the western United States. Pantheon Books.

Chicago Style (17th ed.) Citation

Hawkins, Karen, and Gary Hawkins. Bicycle Touring in the Western United States. New York: Pantheon Books, 1982.

MLA (9th ed.) Citation

Hawkins, Karen, and Gary Hawkins. Bicycle Touring in the Western United States. Pantheon Books, 1982.