APA
Regan T., . (2004). The Case for Animal Rights. : Univ of California Press.
Chicago
Regan Tom, . 2004. The Case for Animal Rights. : Univ of California Press.
Harvard
Regan T., . (2004). The Case for Animal Rights. : Univ of California Press.
MLA
Regan Tom, . The Case for Animal Rights. : Univ of California Press. 2004.