APA (7th ed.) Citation

Hwang, J., Shin, C., Frongillo, E. A., Shin, K. R., & Jo, I. (2003). Secular trend in age at menarche for South Korean women born between 1920 and 1986: The Ansan Study. Annals of Human Biology, 30(4), 434. https://doi.org/10.1080/0301446031000111393

Chicago Style (17th ed.) Citation

Hwang, Ji-Yun, Chol Shin, Edward A. Frongillo, Kyung Rim Shin, and Inho Jo. "Secular Trend in Age at Menarche for South Korean Women Born Between 1920 and 1986: The Ansan Study." Annals of Human Biology 30, no. 4 (2003): 434. https://doi.org/10.1080/0301446031000111393.

MLA (9th ed.) Citation

Hwang, Ji-Yun, et al. "Secular Trend in Age at Menarche for South Korean Women Born Between 1920 and 1986: The Ansan Study." Annals of Human Biology, vol. 30, no. 4, 2003, p. 434, https://doi.org/10.1080/0301446031000111393.