APA

Ray W. H., Ray W. H. & Szekely J. (1973). Process optimization. New York [u.a.]: Wiley.

Chicago

Ray Willis H, Ray Willis H and Szekely Julian. 1973. Process optimization. New York [u.a.]: Wiley.

Harvard

Ray W. H., Ray W. H. and Szekely J. (1973). Process optimization. New York [u.a.]: Wiley.

MLA

Ray Willis H, Ray Willis H and Szekely Julian. Process optimization. New York [u.a.]: Wiley. 1973.