Παραπομπή APA

Buckingham, A. D., & Coulson, C. A. (1975). Theoretical chemistry. Butterworths.

Παραπομπή Chicago Style

Buckingham, A. D., και C. A. Coulson. Theoretical Chemistry. London ; Boston: Butterworths, 1975.

Παραπομπή MLA

Buckingham, A. D., και C. A. Coulson. Theoretical Chemistry. Butterworths, 1975.