APA Style

BOYD, J, H, W. et al (2003). Marketing Strategy; A Decision - Focused Approach, 4th Ed. (4). Boston: McGraw-Hill/Irwin.

MLA Style

BOYD, JR.,, HARPER, W.. et al. "Marketing Strategy; A Decision - Focused Approach, 4th Ed.". 4 Boston: McGraw-Hill/Irwin, 2003. Text.