Dirac, P. A. M. (1958). The principles of quantum mechanics (4th ed.). Clarendon Press.
Chicago Edition CitationDirac, P. A. M. The Principles of Quantum Mechanics. 4th ed. Oxford: Clarendon Press, 1958.
MLA Edition CitationDirac, P. A. M. The Principles of Quantum Mechanics. 4th ed. Clarendon Press, 1958.
Warning: These citations may not always be 100% accurate.