APA

Morecroft J. H., . (1927). Principles of radio communication. New York: John Wiley & Sons.

Chicago

Morecroft John H, . 1927. Principles of radio communication. New York: John Wiley & Sons.

Harvard

Morecroft J. H., . (1927). Principles of radio communication. New York: John Wiley & Sons.

MLA

Morecroft John H, . Principles of radio communication. New York: John Wiley & Sons. 1927.