Cita APA (7a ed.)

Lazerowitz, M., & Ambrose, A. (1985). Necessity and language. Helm.

Cita Chicago Style (17a ed.)

Lazerowitz, Morris, y Alice Ambrose. Necessity and Language. London [etc.]: Helm, 1985.

Cita MLA (9a ed.)

Lazerowitz, Morris, y Alice Ambrose. Necessity and Language. Helm, 1985.