APA (7th ed.) Citation

Wells, W., & Hart, W. W. (1927). Modern solid geometry: Graded course. D. C. Heath and company.

Chicago Style (17th ed.) Citation

Wells, Webster, and Walter Wilson Hart. Modern Solid Geometry: Graded Course. Boston: D. C. Heath and company, 1927.

MLA (9th ed.) Citation

Wells, Webster, and Walter Wilson Hart. Modern Solid Geometry: Graded Course. D. C. Heath and company, 1927.