Cita APA (7a ed.)

Chomsky, M. J., Epstein, D., Gross, C., Heston, C., Savage, J., Lewin, A., . . . Havers, N. (2012). Nairobi. [s.n.].

Cita Chicago Style (17a ed.)

Chomsky, Marvin J., et al. Nairobi. [Espanya]: [s.n.], 2012.

Cita MLA (9a ed.)

Chomsky, Marvin J., et al. Nairobi. [s.n.], 2012.