APA

(19881991). Encyclopedia of physical science and technology. San Diego, Calif. [u.a.]: Acad. Press.

Chicago

19881991. Encyclopedia of physical science and technology. San Diego, Calif. [u.a.]: Acad. Press.

Harvard

(19881991). Encyclopedia of physical science and technology. San Diego, Calif. [u.a.]: Acad. Press.

MLA

Encyclopedia of physical science and technology. San Diego, Calif. [u.a.]: Acad. Press. 19881991.