Cita APA (7a ed.)

James, C. (1999). Preferences for different sources of information about cancer. [s.n.].

Cita Chicago Style (17a ed.)

James, Carolyn. Preferences for Different Sources of Information About Cancer. [S.l.]: [s.n.], 1999.

Cita MLA (9a ed.)

James, Carolyn. Preferences for Different Sources of Information About Cancer. [s.n.], 1999.