APA استشهاد

Zahradnik , R., & Carsky , P. (1972). Organic quantum chemistry problems. Penum press.

استشهاد بنمط شيكاغو

Zahradnik , Rudolf, و Petr Carsky. Organic Quantum Chemistry Problems. New York: Penum press, 1972.

MLA استشهاد

Zahradnik , Rudolf, و Petr Carsky. Organic Quantum Chemistry Problems. Penum press, 1972.