APA (7th ed.) Citation

The National Association of Relay Manufacturers. (1966). Engineers' relay handbook. Hayden Book.

Chicago Style (17th ed.) Citation

The National Association of Relay Manufacturers. Engineers' Relay Handbook. New York: Hayden Book, 1966.

MLA (9th ed.) Citation

The National Association of Relay Manufacturers. Engineers' Relay Handbook. Hayden Book, 1966.

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