Cita APA (7a ed.)

Lerena, A., Ricciardi, N., Voelker, R., Balboa, O., & Praderi, L. A. (1980). Esophageal and Cardia Cancer: Statiscal analysis.

Cita Chicago Style (17a ed.)

Lerena, Ana, Norma Ricciardi, Ricardo Voelker, Oscar Balboa, y Luis A. Praderi. Esophageal and Cardia Cancer: Statiscal Analysis. 1980.

Cita MLA (9a ed.)

Lerena, Ana, et al. Esophageal and Cardia Cancer: Statiscal Analysis. 1980.