APA (7th ed.) Citation

Alexander Street (Firm), Gibbs, P., & Sope, F. (2013). One bag too many: Self employed taxi boys of Mt. Hagen. Privately Published.

Chicago Style (17th ed.) Citation

Alexander Street (Firm), Philip Gibbs, and Fidelis Sope. One Bag Too Many: Self Employed Taxi Boys of Mt. Hagen. [Place of publication not identified]: Privately Published, 2013.

MLA (9th ed.) Citation

Alexander Street (Firm), et al. One Bag Too Many: Self Employed Taxi Boys of Mt. Hagen. Privately Published, 2013.