APA (7th ed.) Citation

Black, J., & Bradley, J. F. (1980). Essential mathematics for economists (2d ed.). J. Wiley.

Chicago Style (17th ed.) Citation

Black, John, and J. F. Bradley. Essential Mathematics for Economists. 2d ed. Chichester [Eng.]: J. Wiley, 1980.

MLA (9th ed.) Citation

Black, John, and J. F. Bradley. Essential Mathematics for Economists. 2d ed. J. Wiley, 1980.