APA (7th ed.) Citation

SHARP, REGISTER, & LEFTWICH. (1989). Economics of social issues (8th ed.). BPI Irwin.

Chicago Style (17th ed.) Citation

SHARP, REGISTER, and LEFTWICH. Economics of Social Issues. 8th ed. Homewood: BPI Irwin, 1989.

MLA (8th ed.) Citation

SHARP, et al. Economics of Social Issues. 8th ed. BPI Irwin, 1989.