APA (7th ed.) Citation

MacRobert, T. M., & Arthur, W. (1950). Trigonometry. Methuen.

Chicago Style (17th ed.) Citation

MacRobert, Thomas Murray, and William Arthur. Trigonometry. London: Methuen, 1950.

MLA (9th ed.) Citation

MacRobert, Thomas Murray, and William Arthur. Trigonometry. Methuen, 1950.

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