APA (7th ed.) Citation

Edelen, D. G. B. (1969). Nonlocal variations and local invariance of fields. Elsevier.

Chicago Style (17th ed.) Citation

Edelen, Dominic G. B. Nonlocal Variations and Local Invariance of Fields. New York: Elsevier, 1969.

MLA (9th ed.) Citation

Edelen, Dominic G. B. Nonlocal Variations and Local Invariance of Fields. Elsevier, 1969.