APA استشهاد

Richards, P. W. (1970). life of the jungle. McGraw-Hill.

استشهاد بنمط شيكاغو

Richards, Paual W. Life of the Jungle. New York: McGraw-Hill, 1970.

MLA استشهاد

Richards, Paual W. Life of the Jungle. McGraw-Hill, 1970.