APA (7th ed.) Citation

Ellis, A., & Harper, R. A. (1961). A guide to successful marriage / by Albert Ellis and Robert A. Harper (1977 ed.). Wilshire Book Company.

Chicago Style (17th ed.) Citation

Ellis, Albert, and Robert A. Harper. A Guide to Successful Marriage / by Albert Ellis and Robert A. Harper. 1977 ed. Hollywood, Calif.: Wilshire Book Company, 1961.

MLA (9th ed.) Citation

Ellis, Albert, and Robert A. Harper. A Guide to Successful Marriage / by Albert Ellis and Robert A. Harper. 1977 ed. Wilshire Book Company, 1961.

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