APA (7th ed.) Citation

(2000). A Comparative Study of Thirty City-State Cultures. An Investigation Conducted by the Copenhagen Polis Centre.

Chicago Style (17th ed.) Citation

A Comparative Study of Thirty City-State Cultures. An Investigation Conducted by the Copenhagen Polis Centre. Copenhagen, 2000.

MLA (8th ed.) Citation

A Comparative Study of Thirty City-State Cultures. An Investigation Conducted by the Copenhagen Polis Centre. 2000.

Warning: These citations may not always be 100% accurate.