APA (7th ed.) Citation

Vargas Bernal, M. E. (1984). Trace determination of lead by helium-4 activation analysis. [publisher not identified].

Chicago Style (17th ed.) Citation

Vargas Bernal, Maria E. Trace Determination of Lead by Helium-4 Activation Analysis. [Place of publication not identified]: [publisher not identified], 1984.

MLA (9th ed.) Citation

Vargas Bernal, Maria E. Trace Determination of Lead by Helium-4 Activation Analysis. [publisher not identified], 1984.