APA (7th ed.) Citation

Mansfield, E. (1980). Economics: Principles, problems, decisions (3. ed.). Norton.

Chicago Style (17th ed.) Citation

Mansfield, Edwin. Economics: Principles, Problems, Decisions. 3. ed. New York, NY: Norton, 1980.

MLA (9th ed.) Citation

Mansfield, Edwin. Economics: Principles, Problems, Decisions. 3. ed. Norton, 1980.