APA

Ellis A., Harper R. A., . (19741961). A guide to succesful marriage / by Albert Ellis and Robert A. Harper; foreward by Melvin Powers. North Hollywood, CA: Melvin Powers Wilshire Book Co.

Chicago

Ellis Albert, Harper Robert Allan, . 19741961. A guide to succesful marriage / by Albert Ellis and Robert A. Harper; foreward by Melvin Powers. North Hollywood, CA: Melvin Powers Wilshire Book Co.

Harvard

Ellis A., Harper R. A., . (19741961). A guide to succesful marriage / by Albert Ellis and Robert A. Harper; foreward by Melvin Powers. North Hollywood, CA: Melvin Powers Wilshire Book Co.

MLA

Ellis Albert, Harper Robert Allan, . A guide to succesful marriage / by Albert Ellis and Robert A. Harper; foreward by Melvin Powers. North Hollywood, CA: Melvin Powers Wilshire Book Co. 19741961.