Cita APA (7a ed.)

Efímov, N. V., & Shenitzer, A. (1964). Quadratic forms and matrices: An introductory approach. Academic Press.

Cita Chicago Style (17a ed.)

Efímov, N. V., y A. Shenitzer. Quadratic Forms and Matrices: An Introductory Approach. New York [etc.]: Academic Press, 1964.

Cita MLA (9a ed.)

Efímov, N. V., y A. Shenitzer. Quadratic Forms and Matrices: An Introductory Approach. Academic Press, 1964.