APA (7th ed.) Citation

Buzatu, D. J. (1995). A surface ionization source. [publisher not identified].

Chicago Style (17th ed.) Citation

Buzatu, Daniel J. A Surface Ionization Source. [Place of publication not identified]: [publisher not identified], 1995.

MLA (9th ed.) Citation

Buzatu, Daniel J. A Surface Ionization Source. [publisher not identified], 1995.