APA (7th ed.) Citation

Crown, A. W. (1964). The language of triangles: A secondary school of trigonometry. Pergamon Press; Macmillan.

Chicago Style (17th ed.) Citation

Crown, A. W. The Language of Triangles: A Secondary School of Trigonometry. Oxford : New York: Pergamon Press; Macmillan, 1964.

MLA (9th ed.) Citation

Crown, A. W. The Language of Triangles: A Secondary School of Trigonometry. Pergamon Press; Macmillan, 1964.

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