Cita APA (7a ed.)

Toppen, D. L. (1985). Forth: : an applications approach. McGraw-Hill.

Cita Chicago Style (17a ed.)

Toppen, David L. Forth: : An Applications Approach. New York [etc.]: McGraw-Hill, 1985.

Cita MLA (9a ed.)

Toppen, David L. Forth: : An Applications Approach. McGraw-Hill, 1985.