APA (7th ed.) Citation

Heisenberg, W. (1930). The physical principles of the quantum theory. Dover.

Chicago Style (17th ed.) Citation

Heisenberg, Werner. The Physical Principles of the Quantum Theory. New York: Dover, 1930.

MLA (9th ed.) Citation

Heisenberg, Werner. The Physical Principles of the Quantum Theory. Dover, 1930.

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