APA استشهاد

Walker, J. C. G. (1977). Evolution of the atmosphere. Macmillan Publishers.

استشهاد بنمط شيكاغو

Walker, James C G. Evolution of the Atmosphere. New York: Macmillan Publishers, 1977.

MLA استشهاد

Walker, James C G. Evolution of the Atmosphere. Macmillan Publishers, 1977.