Cita APA (7a ed.)

(1982). RM/COBOL User's guide: For IBM Personal Computer (D.O.S.) (1a. ed.). Ryan-McFarland Corporation.

Cita Chicago Style (17a ed.)

RM/COBOL User's Guide: For IBM Personal Computer (D.O.S.). 1a. ed. California: Ryan-McFarland Corporation, 1982.

Cita MLA (8a ed.)

RM/COBOL User's Guide: For IBM Personal Computer (D.O.S.). 1a. ed. Ryan-McFarland Corporation, 1982.