Cita APA (7a ed.)

Ayres, F. (1954). Theory and problems of plane and spherical trigonometry. Schaum Publishing.

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

Ayres, Frank. Theory and Problems of Plane and Spherical Trigonometry. Schaum Publishing, 1954.