APA استشهاد

Neumann, H. (1981). Composition and properties of petroleum. Halsted Press.

استشهاد بنمط شيكاغو

Neumann, Hans-Joachim. Composition and Properties of Petroleum. New York: Halsted Press, 1981.

MLA استشهاد

Neumann, Hans-Joachim. Composition and Properties of Petroleum. Halsted Press, 1981.