Cita APA (7a ed.)

Mahajan, V., & Peterson, R. A. (1979). Integrating time and space in technological substitution models. [s.n.].

Cita Chicago Style (17a ed.)

Mahajan, Vijay, y Robert A. Peterson. Integrating Time and Space in Technological Substitution Models. [S.l.]: [s.n.], 1979.

Cita MLA (9a ed.)

Mahajan, Vijay, y Robert A. Peterson. Integrating Time and Space in Technological Substitution Models. [s.n.], 1979.