Cita APA (7a ed.)

Ryle, M., & Richards, P. G. (1988). The commons under scrutiny ([1st publ.].). Routledge.

Cita Chicago Style (17a ed.)

Ryle, Michael, y Peter G. Richards. The Commons Under Scrutiny. [1st publ.]. London: Routledge, 1988.

Cita MLA (9a ed.)

Ryle, Michael, y Peter G. Richards. The Commons Under Scrutiny. [1st publ.]. Routledge, 1988.