APA (7th ed.) Citation

Baumol, W. J. (1998). Economics: Principles and policy (7th ed., 1998 update.). Dryden Press.

Chicago Style (17th ed.) Citation

Baumol, William J. Economics: Principles and Policy. 7th ed., 1998 update. Fort Worth: Dryden Press, 1998.

MLA (9th ed.) Citation

Baumol, William J. Economics: Principles and Policy. 7th ed., 1998 update. Dryden Press, 1998.