APA (7th ed.) Citation

Bonington, C., & Grant, N. (1980). Everest: The hard way. Longman Group Ltd.

Chicago Style (17th ed.) Citation

Bonington, Chris, and Neville Grant. Everest: The Hard Way. Essex: Longman Group Ltd, 1980.

MLA (9th ed.) Citation

Bonington, Chris, and Neville Grant. Everest: The Hard Way. Longman Group Ltd, 1980.