Cita APA (7a ed.)
Ul-Hassan, M., Klein, C. d., & Roovers, N. (1996). Why Should I?: Realities of participation.
Cita Chicago Style (17a ed.)
Ul-Hassan, Mehmood, C.H. de Klein, y N.I.M Roovers. Why Should I?: Realities of Participation. 1996.
Cita MLA (9a ed.)
Ul-Hassan, Mehmood, et al. Why Should I?: Realities of Participation. 1996.
Precaución: Estas citas no son 100% exactas.