APA (7th ed.) Citation

Unger, H. (1970). Introduction to quantum electronics. Pergamon Press.

Chicago Style (17th ed.) Citation

Unger, Heinz. Introduction to Quantum Electronics. Oxford: Pergamon Press, 1970.

MLA (8th ed.) Citation

Unger, Heinz. Introduction to Quantum Electronics. Pergamon Press, 1970.

Warning: These citations may not always be 100% accurate.