APA (7th ed.) Citation

Riggs, N. V. (1969). Quantum chemistry: Elementary principles and methods. Macmillan.

Chicago Style (17th ed.) Citation

Riggs, N. V. Quantum Chemistry: Elementary Principles and Methods. London: Macmillan, 1969.

MLA (9th ed.) Citation

Riggs, N. V. Quantum Chemistry: Elementary Principles and Methods. Macmillan, 1969.

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