APA (7th ed.) Citation

Constantinescu, F., Grecu, V. V., & Spiers, J. A. (1978). Problems in quantum mechanics. Pergamon Press.

Chicago Style (17th ed.) Citation

Constantinescu, F., V. V. Grecu, and J. A. Spiers. Problems in Quantum Mechanics. Oxford: Pergamon Press, 1978.

MLA (8th ed.) Citation

Constantinescu, F., et al. Problems in Quantum Mechanics. Pergamon Press, 1978.