APA-viite (7. p.)
ebrary, Inc, & Repetto, R. C. (2006). Punctuated equilibrium and the dynamics of U.S. environmental policy. Yale University Press.
Chicago-viite (17. p.)
ebrary, Inc, ja Robert C. Repetto. Punctuated Equilibrium and the Dynamics of U.S. Environmental Policy. New Haven: Yale University Press, 2006.
MLA-viite (9. p.)
ebrary, Inc, ja Robert C. Repetto. Punctuated Equilibrium and the Dynamics of U.S. Environmental Policy. Yale University Press, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.