Cita APA

Harries, A., Maher, D., & Graham, S. (2004). A clinical manual (2 ed.). WHO.

Citación estilo Chicago

Harries, Anthony, Dermot Maher, and Stephen Graham. A Clinical Manual. 2 ed. Geneva: WHO, 2004.

Cita MLA

Harries, Anthony, et al. A Clinical Manual. 2 ed. WHO, 2004.