Cita APA (7th ed.)
Gehl, J., & Svarre, B. (2013). How to Study Public Life. Island Press.
Cita Chicago (17th ed.)
Gehl, Jan, i Birgitte Svarre. How to Study Public Life. Washington: Island Press, 2013.
Cita MLA (9th ed.)
Gehl, Jan, i Birgitte Svarre. How to Study Public Life. Island Press, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.