APA (7th ed.) Citation

Ellis, A. 1., & Harper, R. A. (1961). A guide to rational living. Prentice-Hall.

Chicago Style (17th ed.) Citation

Ellis, Albert 1913, and Robert Allan Harper. A Guide to Rational Living. Englewood Cliffs, N. J: Prentice-Hall, 1961.

MLA (9th ed.) Citation

Ellis, Albert 1913, and Robert Allan Harper. A Guide to Rational Living. Prentice-Hall, 1961.