APA (7th ed.) Citation

Dirac, P. A. M. (1958). The principles of quantum mechanics (4th ed.). Snowball Publishing.

Chicago Style (17th ed.) Citation

Dirac, P. A. M. The Principles of Quantum Mechanics. 4th ed. New York: Snowball Publishing, 1958.

MLA (9th ed.) Citation

Dirac, P. A. M. The Principles of Quantum Mechanics. 4th ed. Snowball Publishing, 1958.

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