APA استشهاد

Duke, C. V., & Williams, C. D. (2008). Chemistry for environmental and earth sciences. CRC Press.

استشهاد بنمط شيكاغو

Duke, Catherine V.A, و Craig D. Williams. Chemistry for Environmental and Earth Sciences. Boca Raton: CRC Press, 2008.

MLA استشهاد

Duke, Catherine V.A, و Craig D. Williams. Chemistry for Environmental and Earth Sciences. CRC Press, 2008.