MLA

Graham, Ben, et al. Working with Agencies Update. USA, 2018.

APA

Graham, B., Young, J., Tessmann, M., Charpentier, T., Steever, S., Jacobsen, M., & Martin, D. (2018). Working with agencies update. USA.

Chicago

Graham, Ben, Jeff Young, Marcy Tessmann, Tina Charpentier, Sara Steever, Marie Jacobsen, and Diane Martin. Working with Agencies Update. USA, 2018.