Cita APA (7th ed.)

Engel, T., & Hehre, W. (2013). Quantum chemistry and spectroscopy (Third edition.). Pearson.

Cita Chicago (17th ed.)

Engel, Thomas, i Warren Hehre. Quantum Chemistry and Spectroscopy. Third edition. Boston: Pearson, 2013.

Cita MLA (9th ed.)

Engel, Thomas, i Warren Hehre. Quantum Chemistry and Spectroscopy. Third edition. Pearson, 2013.