Cita APA (7th ed.)

Wirth, N. (1983). Programming in Modula-2 (2nd ed.). Springer-Verlag.

Cita Chicago (17th ed.)

Wirth, Niklaus. Programming in Modula-2. 2nd ed. Berlin, New York: Springer-Verlag, 1983.

Cita MLA (9th ed.)

Wirth, Niklaus. Programming in Modula-2. 2nd ed. Springer-Verlag, 1983.