APA (7th ed.) Citation

Ayres, F. (1954). Theory & problems of Trigonemetry. Schaum Pub. Co.

Chicago Style (17th ed.) Citation

Ayres, Frank. Theory & Problems of Trigonemetry. New York: Schaum Pub. Co, 1954.

MLA (9th ed.) Citation

Ayres, Frank. Theory & Problems of Trigonemetry. Schaum Pub. Co, 1954.