APA (7th ed.) Citation

Allen, D. N. (1954). Relaxation methods in engineering and science. McGraw-Hill.

Chicago Style (17th ed.) Citation

Allen, Deryck N. Relaxation Methods in Engineering and Science. New York (u.a.): McGraw-Hill, 1954.

MLA (9th ed.) Citation

Allen, Deryck N. Relaxation Methods in Engineering and Science. McGraw-Hill, 1954.