Cita APA (7a ed.)

Klapper. (1972). Phase-Locked and Frequency-Feedback Systems. Academic Press.

Cita Chicago Style (17a ed.)

Klapper. Phase-Locked and Frequency-Feedback Systems. New York: Academic Press, 1972.

Cita MLA (9a ed.)

Klapper. Phase-Locked and Frequency-Feedback Systems. Academic Press, 1972.