Cita APA (7a ed.)

Watson, H. M., Welch, H. E., & Eby, G. S. (1946). Understanding radio: A guide to practical operation and theory. McGraw-Hill.

Cita Chicago Style (17a ed.)

Watson, Herbert M., Herbert E. Welch, y George S. Eby. Understanding Radio: A Guide to Practical Operation and Theory. New York [etc.]: McGraw-Hill, 1946.

Cita MLA (9a ed.)

Watson, Herbert M., et al. Understanding Radio: A Guide to Practical Operation and Theory. McGraw-Hill, 1946.