APA (7th ed.) Citation
Koppelman, A. (2006). Same sex, different states: When same-sex marriages cross state lines. Yale University Press.
Chicago Style (17th ed.) Citation
Koppelman, Andrew. Same Sex, Different States: When Same-sex Marriages Cross State Lines. New Haven: Yale University Press, 2006.
MLA (9th ed.) Citation
Koppelman, Andrew. Same Sex, Different States: When Same-sex Marriages Cross State Lines. Yale University Press, 2006.
Warning: These citations may not always be 100% accurate.