APA (7th ed.) Citation

Killy, J. C., & Halstead, M. (1978). Situation skiing. Doubleday.

Chicago Style (17th ed.) Citation

Killy, Jean Claude, and Michael Halstead. Situation Skiing. Garden City, N.Y.: Doubleday, 1978.

MLA (9th ed.) Citation

Killy, Jean Claude, and Michael Halstead. Situation Skiing. Doubleday, 1978.