APA Citation

Durell, C. V. n. 1., & Robson, A. (1955). Key to advanced trigonometry. London, Sydney: G. Bell.

Chicago Style Citation

Durell, Clement Vavasor n. 1882, and A. Robson. Key to Advanced Trigonometry. London, Sydney: G. Bell, 1955.

MLA Citation

Durell, Clement Vavasor n. 1882, and A. Robson. Key to Advanced Trigonometry. London, Sydney: G. Bell, 1955.

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