APA (7th ed.) Citation

Santos, M. I., & Serrano, J. The informal sector: Focus on four vending areas.

Chicago Style (17th ed.) Citation

Santos, Ma. Imelda, and Jonathan Serrano. The Informal Sector: Focus on Four Vending Areas.

MLA (9th ed.) Citation

Santos, Ma. Imelda, and Jonathan Serrano. The Informal Sector: Focus on Four Vending Areas.

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