Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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