APA (7th ed.) Citation

Parr, R. G. (1989). Density-functional theory of atoms and molecules. Oxford University Press.

Chicago Style (17th ed.) Citation

Parr, Robert G. Density-functional Theory of Atoms and Molecules. New York: Oxford University Press, 1989.

MLA (9th ed.) Citation

Parr, Robert G. Density-functional Theory of Atoms and Molecules. Oxford University Press, 1989.