Cita APA (7a ed.)

Douglas, J. D., & Johnson, J. M. (1978). Existential sociology. University Press.

Cita Chicago Style (17a ed.)

Douglas, Jack D., y John M. Johnson. Existential Sociology. Cambridge [etc.]: University Press, 1978.

Cita MLA (9a ed.)

Douglas, Jack D., y John M. Johnson. Existential Sociology. University Press, 1978.