APA Style

Hubbard, R. Glenn & Anthony Patrick O'Brien. (2013). Economics (Fourth Edition). England: Pearson Education.

Chicago Style

Hubbard, R. Glenn & Anthony Patrick O'Brien. Economics. Fourth Edition England: Pearson Education, 2013. Text.

MLA Style

Hubbard, R. Glenn & Anthony Patrick O'Brien. Economics. Fourth Edition England: Pearson Education, 2013. Text.

Turabian Style

Hubbard, R. Glenn & Anthony Patrick O'Brien. Economics. Fourth Edition England: Pearson Education, 2013. Print.