APA (7th ed.) Citation

Hoyler, M., Kloosterman, R. C., & Sokol, M. (2008). Polycentric puzzles – emerging mega-city regions seen through the lens of advanced producer services.

Chicago Style (17th ed.) Citation

Hoyler, Michael, Robert C. Kloosterman, and Martin Sokol. Polycentric Puzzles – Emerging Mega-city Regions Seen Through the Lens of Advanced Producer Services. 2008.

MLA (9th ed.) Citation

Hoyler, Michael, et al. Polycentric Puzzles – Emerging Mega-city Regions Seen Through the Lens of Advanced Producer Services. 2008.

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