APA (7th ed.) Citation

Richards, I. A. (1957). German Through pictures (Primera edición.). Pocket Books, Inc.

Chicago Style (17th ed.) Citation

Richards, I. A. German Through Pictures. Primera edición. New York: Pocket Books, Inc, 1957.

MLA (8th ed.) Citation

Richards, I. A. German Through Pictures. Primera edición. Pocket Books, Inc, 1957.

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