MLA

Hughson, Roy V. The Language of Chemical Engineering In English. Englewood Cliffs: Prentice Hall, 1979.

APA

Hughson, R. V. (1979). The language of chemical engineering in English. Englewood Cliffs: Prentice Hall.

Chicago

Hughson, Roy V. The Language of Chemical Engineering In English. Englewood Cliffs: Prentice Hall, 1979.