Cita APA (7th ed.)

Yelles, M. (1971). McGraw-Hill encyclopedia of science and technology: An international reference work ([3d ed.].). McGraw-Hill.

Cita Chicago (17th ed.)

Yelles, Marvin. McGraw-Hill Encyclopedia of Science and Technology: An International Reference Work. [3d ed.]. New York: McGraw-Hill, 1971.

Cita MLA (9th ed.)

Yelles, Marvin. McGraw-Hill Encyclopedia of Science and Technology: An International Reference Work. [3d ed.]. McGraw-Hill, 1971.