Cita APA (7a ed.)

Reps, T. W. (1986). Generating language-based environments (2nd print. ed.). [S.n.].

Cita Chicago Style (17a ed.)

Reps, Thomas W. Generating Language-based Environments. 2nd print. ed. Cambridge: [S.n.], 1986.

Cita MLA (9a ed.)

Reps, Thomas W. Generating Language-based Environments. 2nd print. ed. [S.n.], 1986.