Cita APA (7a ed.)

Quade, E. S. (1970). An extended concept of model. Rand Corporation.

Cita Chicago Style (17a ed.)

Quade, Edward S. An Extended Concept of Model. Santa Monica, California: Rand Corporation, 1970.

Cita MLA (9a ed.)

Quade, Edward S. An Extended Concept of Model. Rand Corporation, 1970.