Cita APA (7a ed.)

Lee, W., Lim, S., Kim, B., Won, J., Roh, J., & Yoon, J. (2017). Relationship between long working hours and periodontitis among the Korean workers. Nature Portfolio.

Cita Chicago Style (17a ed.)

Lee, Wanhyung, Sung-Shil Lim, Byurira Kim, Jong-Uk Won, Jaehoon Roh, y Jin-Ha Yoon. Relationship Between Long Working Hours and Periodontitis Among the Korean Workers. Nature Portfolio, 2017.

Cita MLA (8a ed.)

Lee, Wanhyung, et al. Relationship Between Long Working Hours and Periodontitis Among the Korean Workers. Nature Portfolio, 2017.