Cita APA (7a ed.)

Townsend, C. (1985). Vax basic. Holt, Rinehart and Winston.

Cita Chicago Style (17a ed.)

Townsend, Clifford. Vax Basic. New York: Holt, Rinehart and Winston, 1985.

Cita MLA (9a ed.)

Townsend, Clifford. Vax Basic. Holt, Rinehart and Winston, 1985.