Cita APA (7a ed.)

Knox, P., & Mayer, H. (2009). Small Town Sustainability: Economic, Social, and Environmental Innovation. De Gruyter.

Cita Chicago Style (17a ed.)

Knox, Paul, y Heike Mayer. Small Town Sustainability: Economic, Social, and Environmental Innovation. Basel: De Gruyter, 2009.

Cita MLA (8a ed.)

Knox, Paul, y Heike Mayer. Small Town Sustainability: Economic, Social, and Environmental Innovation. De Gruyter, 2009.