APA (7th ed.) Citation

Trenton, R. W. (1968). Basic economics: 2rd ed. Appleton Century Crofts.

Chicago Style (17th ed.) Citation

Trenton, Rudolph W. Basic Economics: 2rd Ed. New York: Appleton Century Crofts, 1968.

MLA (9th ed.) Citation

Trenton, Rudolph W. Basic Economics: 2rd Ed. Appleton Century Crofts, 1968.