Cita APA (7a ed.)

Chemical Rubber Company & Selby, S. M. (1972). CRC standard mathematical tables (20th ed.). CRC.

Cita Chicago Style (17a ed.)

Chemical Rubber Company y Samuel M. Selby. CRC Standard Mathematical Tables. 20th ed. Cleveland, Ohio: CRC, 1972.

Cita MLA (8a ed.)

Chemical Rubber Company y Samuel M. Selby. CRC Standard Mathematical Tables. 20th ed. CRC, 1972.