Cita APA (7th ed.)

Ayres, F. (1954). Schaum’s outline of theory and problems of plane and spherical trigonometry.

Cita Chicago (17th ed.)

Ayres, Frank. Schaum’s Outline of Theory and Problems of Plane and Spherical Trigonometry. New York : Schaum, 1954.

Cita MLA (9th ed.)

Ayres, Frank. Schaum’s Outline of Theory and Problems of Plane and Spherical Trigonometry. 1954.