APA (7th ed.) Citation

Hawkes, P. W., & Kasper, E. (1989). Principles of electron optics. Academic Press.

Chicago Style (17th ed.) Citation

Hawkes, P. W., and E. Kasper. Principles of Electron Optics. London ; San Diego: Academic Press, 1989.

MLA (9th ed.) Citation

Hawkes, P. W., and E. Kasper. Principles of Electron Optics. Academic Press, 1989.

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