Cita APA

Humphrey, G. (1951). Thinking: An introduction to its experimental psychology. Methuen.

Citación estilo Chicago

Humphrey, George. Thinking: An Introduction to Its Experimental Psychology. London: Methuen, 1951.

Cita MLA

Humphrey, George. Thinking: An Introduction to Its Experimental Psychology. Methuen, 1951.

Warning: These citations may not always be 100% accurate.