APA استشهاد

Pothamus, L. G. (1962). Rubber: Botany, Production and Utilization. Leonard Hill Books.

استشهاد بنمط شيكاغو

Pothamus, Loren G. Rubber: Botany, Production and Utilization. London: Leonard Hill Books, 1962.

MLA استشهاد

Pothamus, Loren G. Rubber: Botany, Production and Utilization. Leonard Hill Books, 1962.