Cita APA (7a ed.)

Parker, G., & Smith, L. M. (1978). The general crisis of the seventeenth century. Routledge & Kegan Paul.

Cita Chicago Style (17a ed.)

Parker, Geoffrey, y Lesley M. Smith. The General Crisis of the Seventeenth Century. London [etc.]: Routledge & Kegan Paul, 1978.

Cita MLA (9a ed.)

Parker, Geoffrey, y Lesley M. Smith. The General Crisis of the Seventeenth Century. Routledge & Kegan Paul, 1978.