Citazione APA

Morrison, D., & Owen, T. (1996). The Planetary systems (2nd ed.). .Addison-Wesley.

Stile di citazione Chicago

Morrison, David, e Tobias Owen. The Planetary Systems. 2nd ed. Reading, Massachusetts: .Addison-Wesley, 1996.

Citazione MLA

Morrison, David, e Tobias Owen. The Planetary Systems. 2nd ed. .Addison-Wesley, 1996.