APA (7th ed.) Citation

Allen, D. N. d. G. (1954). Relaxation methods. McGraw-Hill.

Chicago Style (17th ed.) Citation

Allen, Deryck Norman de Garrs. Relaxation Methods. New York: McGraw-Hill, 1954.

MLA (9th ed.) Citation

Allen, Deryck Norman de Garrs. Relaxation Methods. McGraw-Hill, 1954.