एपीए उद्धरण

Curtiss, R., & Moulton, J. E. (1942). Essentials of trigonometry with applications. Boston: Heath and Company.

शिकागो स्टाइल उद्धरण

Curtiss, Raymond, और James Elton Moulton. Essentials of Trigonometry With Applications. Boston: Heath and Company, 1942.

एमएलए उद्धरण

Curtiss, Raymond, और James Elton Moulton. Essentials of Trigonometry With Applications. Boston: Heath and Company, 1942.