Cita APA (7th ed.)

Koerner, J. L. Contingency and the City: Joseph L. Koerner. Kontingenz.(1998).

Cita Chicago (17th ed.)

Koerner, Joseph L. "Contingency and the City: Joseph L. Koerner." Kontingenz.(1998) .

Cita MLA (8th ed.)

Koerner, Joseph L. "Contingency and the City: Joseph L. Koerner." Kontingenz.(1998), .

Atenció: Aquestes cites poden no estar 100% correctes.