Cita APA (7a ed.)

Balsa, A. I., Rossi, M., & Triunfo, P. (2009). Horizontal inequity in access to health care in four south american cities.

Cita Chicago Style (17a ed.)

Balsa, Ana Inés, Máximo Rossi, y Patricia Triunfo. Horizontal Inequity in Access to Health Care in Four South American Cities. 2009.

Cita MLA (9a ed.)

Balsa, Ana Inés, et al. Horizontal Inequity in Access to Health Care in Four South American Cities. 2009.