APA (7th ed.) Citation

Holm, R., & Heijne, A. V. (1946). Electric contacts.

Chicago Style (17th ed.) Citation

Holm, Ragnar, and A V. Heijne. Electric Contacts. Stockholm, H. Geber 1946, 1946.

MLA (8th ed.) Citation

Holm, Ragnar, and A V. Heijne. Electric Contacts. 1946.