Cita APA (7a ed.)

Höpfl, H., Luther, M., & Calvin, J. (1991). Luther and Calvin on secular authority. University Press.

Cita Chicago Style (17a ed.)

Höpfl, Harro, Martin Luther, y Jean Calvin. Luther and Calvin on Secular Authority. Cambridge [etc.]: University Press, 1991.

Cita MLA (9a ed.)

Höpfl, Harro, et al. Luther and Calvin on Secular Authority. University Press, 1991.