Cita APA

Preston, S. H. 1., Keyfitz, N., Schoen, R., & Nelson, V. E. (1972). Causes of death: Life tables for national populations. New York: Seminar Press.

Citación estilo Chicago

Preston, Samuel H. 1943-, Nathan Keyfitz, Robert Schoen, y Verne E. Nelson. Causes of Death: Life Tables for National Populations. New York: Seminar Press, 1972.

Cita MLA

Preston, Samuel H. 1943-, Nathan Keyfitz, Robert Schoen, y Verne E. Nelson. Causes of Death: Life Tables for National Populations. New York: Seminar Press, 1972.