APA (7th ed.) Citation

Durell, C. V. (1920). Modern geometry: The straight line and circle. MacMillan and Co.

Chicago Style (17th ed.) Citation

Durell, Clement V. Modern Geometry: The Straight Line and Circle. London: MacMillan and Co, 1920.

MLA (9th ed.) Citation

Durell, Clement V. Modern Geometry: The Straight Line and Circle. MacMillan and Co, 1920.

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