APA (7th ed.) Citation

Rich, D. Z. (1986). Contemporary economics: A unifying approach. Praeger.

Chicago Style (17th ed.) Citation

Rich, David Z. Contemporary Economics: A Unifying Approach. New York u.a: Praeger, 1986.

MLA (9th ed.) Citation

Rich, David Z. Contemporary Economics: A Unifying Approach. Praeger, 1986.