APA استشهاد

Brown, G. D., & Harold. (1918). Rubber: In Sources, Cultivation and Preparation. John Murray.

استشهاد بنمط شيكاغو

Brown, Gary Deward, و Harold. Rubber: In Sources, Cultivation and Preparation. London: John Murray, 1918.

MLA استشهاد

Brown, Gary Deward, و Harold. Rubber: In Sources, Cultivation and Preparation. John Murray, 1918.