APA (7th ed.) Citation

Birkett, B., & White, J. (1990). Rock climbing in Northern England / Bill Birkett and John White. Constable.

Chicago Style (17th ed.) Citation

Birkett, Bill, and John White. Rock Climbing in Northern England / Bill Birkett and John White. London: Constable, 1990.

MLA (9th ed.) Citation

Birkett, Bill, and John White. Rock Climbing in Northern England / Bill Birkett and John White. Constable, 1990.

Warning: These citations may not always be 100% accurate.