APA (7th ed.) Citation

Coulson, C. A., O'Leary, B., & Mallion, R. B. (1978). Hückel theory for organic chemists. Academic Press.

Chicago Style (17th ed.) Citation

Coulson, C. A., Brian O'Leary, and R. B. Mallion. Hückel Theory for Organic Chemists. London ; New York: Academic Press, 1978.

MLA (9th ed.) Citation

Coulson, C. A., et al. Hückel Theory for Organic Chemists. Academic Press, 1978.