APA (7th ed.) Citation

Heitler, W. (1945). Elementary wave mechanics. Clarendon Press.

Chicago Style (17th ed.) Citation

Heitler, Walter. Elementary Wave Mechanics. Oxford: Clarendon Press, 1945.

MLA (9th ed.) Citation

Heitler, Walter. Elementary Wave Mechanics. Clarendon Press, 1945.

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