Citazione Stile APA (7a Edizione)

Schinkel, M., Kaster, J., & Borns, P. (1992). Programming in Clipper 5. Addison-Wesley.

Citazione stile Chigago Style (17a edizione)

Schinkel, Mike, John Kaster, e Patricia Borns. Programming in Clipper 5. Reading: Addison-Wesley, 1992.

Citatione MLA (9a ed.)

Schinkel, Mike, et al. Programming in Clipper 5. Addison-Wesley, 1992.