Cita APA

Valentine, C. W. 1., & Valentine, C. W. 1. (1929). An introduction to experimental psychology (2. edition.). London: Universidad Tutorial Press.

Citación estilo Chicago

Valentine, Charles Wilfred 1879-1964, y Charles Wilfred 1879-1964 Valentine. An Introduction to Experimental Psychology. 2. edition. London: Universidad Tutorial Press, 1929.

Cita MLA

Valentine, Charles Wilfred 1879-1964, y Charles Wilfred 1879-1964 Valentine. An Introduction to Experimental Psychology. 2. edition. London: Universidad Tutorial Press, 1929.