APA (7th ed.) Citation

School Mathematics Study Group & Dubisch, R. (1964). Circular functions. Leland Junior University.

Chicago Style (17th ed.) Citation

School Mathematics Study Group and Roy Dubisch. Circular Functions. Stanford, CA: Leland Junior University, 1964.

MLA (9th ed.) Citation

School Mathematics Study Group and Roy Dubisch. Circular Functions. Leland Junior University, 1964.

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