Cita APA

Markham, U. (1993). How to deal with difficult people. ThorSonS, London: [s.n].

Citación estilo Chicago

Markham, Ursula. How to Deal With Difficult People. ThorSonS, London: [s.n], 1993.

Cita MLA

Markham, Ursula. How to Deal With Difficult People. ThorSonS, London: [s.n], 1993.

Precaución: Estas citas no son 100% exactas.