APA aipamena

Lindam, A., Jansson, C., Nordenstedt, H., Pedersen, N. L., & Lagergren, J. (2012). A Population-Based Study of Gastroesophageal Reflux Disease and Sleep Problems in Elderly Twins. Public Library of Science.

Chicago Style aipamena

Lindam, Anna, Catarina Jansson, Helena Nordenstedt, Nancy L. Pedersen, and Jesper Lagergren. A Population-Based Study of Gastroesophageal Reflux Disease and Sleep Problems in Elderly Twins. Public Library of Science, 2012.

MLA aipamena

Lindam, Anna, et al. A Population-Based Study of Gastroesophageal Reflux Disease and Sleep Problems in Elderly Twins. Public Library of Science, 2012.