APA (7th ed.) Citation

Bartelski, K., & Neillands, R. (1991). Learn to ski in a weekend. Dorling Kindersley.

Chicago Style (17th ed.) Citation

Bartelski, Konrad, and Robin Neillands. Learn to Ski in a Weekend. London: Dorling Kindersley, 1991.

MLA (9th ed.) Citation

Bartelski, Konrad, and Robin Neillands. Learn to Ski in a Weekend. Dorling Kindersley, 1991.