APA (7th ed.) Citation

Way, L. (1956). Alfred Adler: An introduction to his psychology. Penguin Books.

Chicago Style (17th ed.) Citation

Way, Lewis. Alfred Adler: An Introduction to His Psychology. Londres: Penguin Books, 1956.

MLA (9th ed.) Citation

Way, Lewis. Alfred Adler: An Introduction to His Psychology. Penguin Books, 1956.