APA (7th ed.) Citation

Allen, D. d. G. Relaxation methods in engineering and science. McGraw-Hill Book Company.

Chicago Style (17th ed.) Citation

Allen, D.N. de G. Relaxation Methods in Engineering and Science. New York: McGraw-Hill Book Company.

MLA (9th ed.) Citation

Allen, D.N. de G. Relaxation Methods in Engineering and Science. McGraw-Hill Book Company.