APA引文

HARTMANN, W. K. (1985). Astronomy the cosmic journey.-- Ed. 3. Wadsworth Pub. Co.

Chicago Style (17th ed.) Citation

HARTMANN, William K. Astronomy the Cosmic Journey.-- Ed. 3. Belmont: Wadsworth Pub. Co, 1985.

MLA引文

HARTMANN, William K. Astronomy the Cosmic Journey.-- Ed. 3. Wadsworth Pub. Co, 1985.