Cita APA (7a ed.)

Nicholson, J., Kemp-Wheeler, S., & Griffiths, D. (1995). Distress arising from the end of a guide dog partnership. [s.n.].

Cita Chicago Style (17a ed.)

Nicholson, Jill, Susan Kemp-Wheeler, y David Griffiths. Distress Arising from the End of a Guide Dog Partnership. [S.l.]: [s.n.], 1995.

Cita MLA (9a ed.)

Nicholson, Jill, et al. Distress Arising from the End of a Guide Dog Partnership. [s.n.], 1995.