APA (7th ed.) Citation

Summers, G. W., Peters, W. S., & Armstrong, C. P. (1981). Basic statistics in business and economics (3. ed.). Wadsworth.

Chicago Style (17th ed.) Citation

Summers, George W., William S. Peters, and Charles P. Armstrong. Basic Statistics in Business and Economics. 3. ed. Belmont, Calif: Wadsworth, 1981.

MLA (9th ed.) Citation

Summers, George W., et al. Basic Statistics in Business and Economics. 3. ed. Wadsworth, 1981.