APA (7th ed.) Citation

Mason, P. (1940). The X of psychology : an essay on the problem of the science of mind / by P. Mason: An essay on the problem of the science of mind. Harvard U.P..

Chicago Style (17th ed.) Citation

Mason, P. The X of Psychology : An Essay on the Problem of the Science of Mind / by P. Mason: An Essay on the Problem of the Science of Mind. Harvard U.P., 1940.

MLA (9th ed.) Citation

Mason, P. The X of Psychology : An Essay on the Problem of the Science of Mind / by P. Mason: An Essay on the Problem of the Science of Mind. Harvard U.P., 1940.

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