APA (7th ed.) Citation

Holm, R., & Holm, E. (1967). Electric contacts: Theory and application (4th ed.). Springer Verlag.

Chicago Style (17th ed.) Citation

Holm, Ragnar, and Else Holm. Electric Contacts: Theory and Application. 4th ed. Berlin: Springer Verlag, 1967.

MLA (8th ed.) Citation

Holm, Ragnar, and Else Holm. Electric Contacts: Theory and Application. 4th ed. Springer Verlag, 1967.