APA

Kirk R. E., Othmer D. F. & Grayson M. (19). Encyclopedia of chemical technology. New York [u.a.]: Wiley.

Chicago

Kirk Raymond Eller, Othmer Donald F and Grayson Martin. 19. Encyclopedia of chemical technology. New York [u.a.]: Wiley.

Harvard

Kirk R. E., Othmer D. F. and Grayson M. (19). Encyclopedia of chemical technology. New York [u.a.]: Wiley.

MLA

Kirk Raymond Eller, Othmer Donald F and Grayson Martin. Encyclopedia of chemical technology. New York [u.a.]: Wiley. 19.