APA Style

Case, Karl E.. (2020). Principles of economics (13th ed). : Pearson.

Chicago Style

Case, Karl E.. Principles of economics. 13th ed : Pearson, 2020. .

MLA Style

Case, Karl E.. Principles of economics. 13th ed : Pearson, 2020. .

Turabian Style

Case, Karl E.. Principles of economics. 13th ed : Pearson, 2020. .