Cita APA

Hershberger, W. D. n. 1., & Hershberger, W. D. n. 1. (1955). Principles of communication systems. New York, New York: Prentice Hall.

Citación estilo Chicago

Hershberger, William Delmar n. 1903, y William Delmar n. 1903 Hershberger. Principles of Communication Systems. New York, New York: Prentice Hall, 1955.

Cita MLA

Hershberger, William Delmar n. 1903, y William Delmar n. 1903 Hershberger. Principles of Communication Systems. New York, New York: Prentice Hall, 1955.