MLA

Skelton, Dan, et al. Ad and Sponsorship Opportunities. USA, 2015.

APA

Skelton, D., Wick, D., Young, C., Ketelsen, L., & Winters, R. (2015). Ad and sponsorship opportunities. USA.

Chicago

Skelton, Dan, Don Wick, Cyndi Young, Lynn Ketelsen, and Rob Winters. Ad and Sponsorship Opportunities. USA, 2015.