Bullock, T. (1989). Astronomy: Second contact (2nd ed.). Kendall/Hunt Pub. Co..
Chicago Style (17th ed.) CitationBullock, Tom. Astronomy: Second Contact. 2nd ed. Dubuque, Iowa: Kendall/Hunt Pub. Co., 1989.
MLA (8th ed.) CitationBullock, Tom. Astronomy: Second Contact. 2nd ed. Kendall/Hunt Pub. Co., 1989.
Warning: These citations may not always be 100% accurate.