Hawkins, K., & Hawkins, G. (1980). Bicycle touring in Europe (Rev. and updated ed.). Pantheon Books.
Chicago Style (17th ed.) CitationHawkins, Karen, and Gary Hawkins. Bicycle Touring in Europe. Rev. and updated ed. New York u.a: Pantheon Books, 1980.
MLA (9th ed.) CitationHawkins, Karen, and Gary Hawkins. Bicycle Touring in Europe. Rev. and updated ed. Pantheon Books, 1980.
Warning: These citations may not always be 100% accurate.