APA (7. basım) Alıntı

Hartmann, W. K. (1978). Astronomy: The cosmic journey (2nd ed.). Wadsworth.

Chicago Style (17. basım) Atıf

Hartmann, William K. Astronomy: The Cosmic Journey. 2nd ed. Belmont, Calif: Wadsworth, 1978.

MLA (9th ed.) Atıf

Hartmann, William K. Astronomy: The Cosmic Journey. 2nd ed. Wadsworth, 1978.