APA (7th ed.) Citation

Wentzel, G. (1949). Quantum theory of fields. Interscience Publishers.

Chicago Style (17th ed.) Citation

Wentzel, Gregor. Quantum Theory of Fields. New York: Interscience Publishers, 1949.

MLA (9th ed.) Citation

Wentzel, Gregor. Quantum Theory of Fields. Interscience Publishers, 1949.

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