Cita APA (7a ed.)

Herrero Blanco, C. (1996). Capabilities and utilities. [s.n.].

Cita Chicago Style (17a ed.)

Herrero Blanco, Carmen. Capabilities and Utilities. [S.l.]: [s.n.], 1996.

Cita MLA (9a ed.)

Herrero Blanco, Carmen. Capabilities and Utilities. [s.n.], 1996.