Cita APA (7a ed.)

Gilhooly, K. J. (1988). Thinking: : directed, undirected and creative (2nd ed.). Academic Press.

Cita Chicago Style (17a ed.)

Gilhooly, K. J. Thinking: : Directed, Undirected and Creative. 2nd ed. London [etc.]: Academic Press, 1988.

Cita MLA (9a ed.)

Gilhooly, K. J. Thinking: : Directed, Undirected and Creative. 2nd ed. Academic Press, 1988.