Cita APA (7a ed.)

Rickey, G. (1995). Constructivism: Origins and evolution (1. revised ed.). George Braziller.

Cita Chicago Style (17a ed.)

Rickey, George. Constructivism: Origins and Evolution. 1. revised ed. New York: George Braziller, 1995.

Cita MLA (8a ed.)

Rickey, George. Constructivism: Origins and Evolution. 1. revised ed. George Braziller, 1995.