APA (7th ed.) Citation

Dirac, P. A. M. (1958). The principles of quantum mechanics (Fourth edition, revised.). Clarendon Press.

Chicago Style (17th ed.) Citation

Dirac, P. A. M. The Principles of Quantum Mechanics. Fourth edition, revised. Oxford: Clarendon Press, 1958.

MLA (9th ed.) Citation

Dirac, P. A. M. The Principles of Quantum Mechanics. Fourth edition, revised. Clarendon Press, 1958.