APA Style

Clark, S, M., Altamirano, Y, B, D. (2004). Campaign English for the Military 1 : Class Audio CDs . : Macmillan.

MLA Style

Clark, Simon, Mellor., Altamirano, Yvonne, Baker, De. "Campaign English for the Military 1 : Class Audio CDs". : Macmillan, 2004. Audio CD.