APA Style

Levinson, J, C., Lautenslager, A. (2009). Guerrilla Marketing in 30 Days . Irvine, Calif.: Enterpreneur Press.

MLA Style

Levinson, Jay, Conrad., Lautenslager, Al. "Guerrilla Marketing in 30 Days". Irvine, Calif.: Enterpreneur Press, 2009. Text.