APA (7th ed.) Citation

Cullen, R. P. (1967). Pulsed Zeeman spectroscopy. [publisher not identified].

Chicago Style (17th ed.) Citation

Cullen, Raymond Paul. Pulsed Zeeman Spectroscopy. [College Station, Tex.]: [publisher not identified], 1967.

MLA (9th ed.) Citation

Cullen, Raymond Paul. Pulsed Zeeman Spectroscopy. [publisher not identified], 1967.