Cita APA

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

Citación estilo Chicago

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

Cita MLA

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