APA (7th ed.) Citation

Zhang, Z. (2016). Case-crossover design and its implementation in R. Annals of translational medicine, 4(18), 341. https://doi.org/10.21037/atm.2016.05.42

Chicago Style (17th ed.) Citation

Zhang, Zhongheng. "Case-crossover Design and Its Implementation in R." Annals of Translational Medicine 4, no. 18 (2016): 341. https://doi.org/10.21037/atm.2016.05.42.

MLA (9th ed.) Citation

Zhang, Zhongheng. "Case-crossover Design and Its Implementation in R." Annals of Translational Medicine, vol. 4, no. 18, 2016, p. 341, https://doi.org/10.21037/atm.2016.05.42.