Cita APA (7a ed.)

Green, T. H., & Bradley, A. C. (1969). Prolegomena to ethics (5th. ed., with a preface by E. Caird.). Kraus Reprint.

Cita Chicago Style (17a ed.)

Green, Thomas Hill, y A. C. Bradley. Prolegomena to Ethics. 5th. ed., with a preface by E. Caird. New York: Kraus Reprint, 1969.

Cita MLA (9a ed.)

Green, Thomas Hill, y A. C. Bradley. Prolegomena to Ethics. 5th. ed., with a preface by E. Caird. Kraus Reprint, 1969.