APA (7th ed.) Citation

Black, J., & Bradley, J. F. (1990). Essential mathematics for economists / J. Black, J.F. Bradley (2nd ed.). Wiley.

Chicago Style (17th ed.) Citation

Black, John, and James F. Bradley. Essential Mathematics for Economists / J. Black, J.F. Bradley. 2nd ed. Chichester: Wiley, 1990.

MLA (9th ed.) Citation

Black, John, and James F. Bradley. Essential Mathematics for Economists / J. Black, J.F. Bradley. 2nd ed. Wiley, 1990.

Warning: These citations may not always be 100% accurate.