APA استشهاد

Cook, A. H. (1973). Physics of the earth and planets. Williams clowes & sons.

استشهاد بنمط شيكاغو

Cook, A. H. Physics of the Earth and Planets. New york: Williams clowes & sons, 1973.

MLA استشهاد

Cook, A. H. Physics of the Earth and Planets. Williams clowes & sons, 1973.