Citazione Stile APA (7a Edizione)

Naftaly, S. M., Johnson, B. G., & Cohen, M. C. (1972). COBOL support packages: Programming and productivity aids. Wiley.

Citazione stile Chigago Style (17a edizione)

Naftaly, Stanley M., Bruce G. Johnson, e Michael C. Cohen. COBOL Support Packages: Programming and Productivity Aids. New York: Wiley, 1972.

Citatione MLA (9a ed.)

Naftaly, Stanley M., et al. COBOL Support Packages: Programming and Productivity Aids. Wiley, 1972.