Cita APA (7th ed.)

Fishman, S. (1998). Copyright your software (2a. ed.). Nolo Press.

Cita Chicago (17th ed.)

Fishman, Stephen. Copyright Your Software. 2a. ed. Berkeley: Nolo Press, 1998.

Cita MLA (9th ed.)

Fishman, Stephen. Copyright Your Software. 2a. ed. Nolo Press, 1998.