APA (7th ed.) Citation

Black, H. S. (1953). Modulation theory / by H.S. Black. Van Nostrand.

Chicago Style (17th ed.) Citation

Black, H. S. Modulation Theory / by H.S. Black. Van Nostrand, 1953.

MLA (9th ed.) Citation

Black, H. S. Modulation Theory / by H.S. Black. Van Nostrand, 1953.

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