Cita APA (7th ed.)

Waud, R. N. (1983). Economics (2nd ed.). Harper and Row.

Cita Chicago (17th ed.)

Waud, Roger N. Economics. 2nd ed. New York: Harper and Row, 1983.

Cita MLA (9th ed.)

Waud, Roger N. Economics. 2nd ed. Harper and Row, 1983.