Cita APA (7a ed.)

National Research Council (Waszyngton). Library & Kohr, J. R. (1955). Scientific and technical societies of the United States and Canada. National Academy of Sciences - National Research Council.

Cita Chicago Style (17a ed.)

National Research Council (Waszyngton). Library y John R. Kohr. Scientific and Technical Societies of the United States and Canada. Washington: National Academy of Sciences - National Research Council, 1955.

Cita MLA (9a ed.)

National Research Council (Waszyngton). Library y John R. Kohr. Scientific and Technical Societies of the United States and Canada. National Academy of Sciences - National Research Council, 1955.