APA (7th ed.) Citation

Van Wazer, J. R. (1975). Electron densities in molecules and molecular orbitals. Academic Press.

Chicago Style (17th ed.) Citation

Van Wazer, John R. Electron Densities in Molecules and Molecular Orbitals. New York: Academic Press, 1975.

MLA (9th ed.) Citation

Van Wazer, John R. Electron Densities in Molecules and Molecular Orbitals. Academic Press, 1975.