APA (7th ed.) Citation

Heisenberg, W. (1966). Introduction to the unified field theory of elementary particles. John Wiley and Sons.

Chicago Style (17th ed.) Citation

Heisenberg, W. Introduction to the Unified Field Theory of Elementary Particles. London: John Wiley and Sons, 1966.

MLA (9th ed.) Citation

Heisenberg, W. Introduction to the Unified Field Theory of Elementary Particles. John Wiley and Sons, 1966.

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