Παραπομπή APA

Zahradnik, R., & Petr'Casky. (1973). Organic Quantum Chemistry problems. Plenum.

Παραπομπή Chicago Style

Zahradnik, Rudolf, και Petr'Casky. Organic Quantum Chemistry Problems. London: Plenum, 1973.

Παραπομπή MLA

Zahradnik, Rudolf, και Petr'Casky. Organic Quantum Chemistry Problems. Plenum, 1973.