APA (7th ed.) Citation

Banner, H. I., & Crew, P. (1963). Clogwyn du'r Arddu / by H.I. Banner and Peter Crew. Climbers' Club.

Chicago Style (17th ed.) Citation

Banner, H. I., and Peter Crew. Clogwyn Du'r Arddu / by H.I. Banner and Peter Crew. Climbers' Club, 1963.

MLA (9th ed.) Citation

Banner, H. I., and Peter Crew. Clogwyn Du'r Arddu / by H.I. Banner and Peter Crew. Climbers' Club, 1963.

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