MLA

Parkin, Michael, Melanie Powell, and Kent Matthews. Economics. Tenth Edition. Harlow: Pearson education, 2017.

APA

Parkin, M., Powell, M., & Matthews, K. (2017). Economics. Tenth Edition. Harlow: Pearson education.

Chicago

Parkin, Michael, Melanie Powell, and Kent Matthews. Economics. Tenth Edition. Harlow: Pearson education, 2017.