APA (7th ed.) Citation

Appleyard, R. (1968). Pioneers of electrical communication. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Appleyard, Rollo. Pioneers of Electrical Communication. Freeport, N.Y.: Books for Libraries Press, 1968.

MLA (9th ed.) Citation

Appleyard, Rollo. Pioneers of Electrical Communication. Books for Libraries Press, 1968.

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