Cita APA (7a ed.)

Kessler, I. I., & Levin, M. L. (1970). The community as an epidemiologic laboratory: A casebook of community studies. Johns Hopkins Press.

Cita Chicago Style (17a ed.)

Kessler, Irving I., y Morton L. Levin. The Community as an Epidemiologic Laboratory: A Casebook of Community Studies. Baltimore [etc.]: Johns Hopkins Press, 1970.

Cita MLA (9a ed.)

Kessler, Irving I., y Morton L. Levin. The Community as an Epidemiologic Laboratory: A Casebook of Community Studies. Johns Hopkins Press, 1970.