APA (7th ed.) Citation

Brown, J., & Martin, A. (1958). The elements of plane trigonometry. George G. Harrap & Co.

Chicago Style (17th ed.) Citation

Brown, J.T, and A. Martin. The Elements of Plane Trigonometry. London: George G. Harrap & Co, 1958.

MLA (9th ed.) Citation

Brown, J.T, and A. Martin. The Elements of Plane Trigonometry. George G. Harrap & Co, 1958.

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