APA استشهاد

Seeds, M. A. (2001). Foundations of Astronomy (6th ed.). Brooks/Cole.

استشهاد بنمط شيكاغو

Seeds, Michael A. Foundations of Astronomy. 6th ed. Australia: Brooks/Cole, 2001.

MLA استشهاد

Seeds, Michael A. Foundations of Astronomy. 6th ed. Brooks/Cole, 2001.