Cita APA

Peña, J. B., Masyn, K. E., & Wang, Y. (2012). Peña et al. Respond. American Public Health Association.

Chicago Style Citation

Peña, Juan B., Katherine E. Masyn, i Ying Wang. Peña Et Al. Respond. American Public Health Association, 2012.

Cita MLA

Peña, Juan B., Katherine E. Masyn, i Ying Wang. Peña Et Al. Respond. American Public Health Association, 2012.