APA Citation

Durell, C. V. ;. R. Advanced Trigonometry. G Bell and Sons, Ltd., London, 1948.

Chicago Style Citation

Durell, C. V. ; Robson. Advanced Trigonometry. G Bell and Sons, Ltd., London, 1948.

MLA Citation

Durell, C. V. ; Robson. Advanced Trigonometry. G Bell and Sons, Ltd., London, 1948.

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