APA استشهاد

E R De Ong. (1948). Chemistry and Uses of Insecticides. New York.

استشهاد بنمط شيكاغو

E R De Ong. Chemistry and Uses of Insecticides. New York, 1948.

MLA استشهاد

E R De Ong. Chemistry and Uses of Insecticides. New York, 1948.