APA استشهاد

Stern , A. C.. (1968). Air polution (2nd ed.). Academic press.

استشهاد بنمط شيكاغو

Stern , Arthur C. Air Polution. 2nd ed. New York: Academic press, 1968.

MLA استشهاد

Stern , Arthur C. Air Polution. 2nd ed. Academic press, 1968.