APA (7th ed.) Citation

Betts, J. A. (1967). High frequency communications. American Elsevier Pub. Co..

Chicago Style (17th ed.) Citation

Betts, J. A. High Frequency Communications. New York: American Elsevier Pub. Co., 1967.

MLA (9th ed.) Citation

Betts, J. A. High Frequency Communications. American Elsevier Pub. Co., 1967.

Warning: These citations may not always be 100% accurate.