APA (7th ed.) Citation

Peek, R. L., & Wagar, H. N. (1955). Switching relay design. Van Nostrand.

Chicago Style (17th ed.) Citation

Peek, Robert Lee, and H. N. Wagar. Switching Relay Design. Princeton, N. J.: Van Nostrand, 1955.

MLA (9th ed.) Citation

Peek, Robert Lee, and H. N. Wagar. Switching Relay Design. Van Nostrand, 1955.