Cita APA (7th ed.)

Chen, C. (1977). Scientific and technical information sources. MIT Press.

Cita Chicago (17th ed.)

Chen, Ching-Chih. Scientific and Technical Information Sources. Cambridge, Mass: MIT Press, 1977.

Cita MLA (9th ed.)

Chen, Ching-Chih. Scientific and Technical Information Sources. MIT Press, 1977.