Cita APA (7a ed.)

Nielsen, J. (1993). Usability Engineering (1a ed.). [S.n.].

Cita Chicago Style (17a ed.)

Nielsen, Jakob. Usability Engineering. 1a ed. Amsterdam: [S.n.], 1993.

Cita MLA (9a ed.)

Nielsen, Jakob. Usability Engineering. 1a ed. [S.n.], 1993.