Cita APA (7a ed.)

Smith, R. J. (1969). Engineering as a career (3rd ed.). McGraw-Hill Book Co.

Cita Chicago Style (17a ed.)

Smith, Ralph Judson. Engineering as a Career. 3rd ed. New York [etc.]: McGraw-Hill Book Co, 1969.

Cita MLA (9a ed.)

Smith, Ralph Judson. Engineering as a Career. 3rd ed. McGraw-Hill Book Co, 1969.