APA (7th ed.) Citation

Hubbard, R. G., & O'Brien, A. P. (2010). Essentials of economics (2nd ed.). Pearson Prentice Hall.

Chicago Style (17th ed.) Citation

Hubbard, R. Glenn, and Anthony Patrick O'Brien. Essentials of Economics. 2nd ed. Upper Saddle River, NJ: Pearson Prentice Hall, 2010.

MLA (9th ed.) Citation

Hubbard, R. Glenn, and Anthony Patrick O'Brien. Essentials of Economics. 2nd ed. Pearson Prentice Hall, 2010.