Cita APA (7a ed.)

Trusted, J. (1977). An introduction to the philosophy of knowledge (2nd. ed.). Macmillan Press.

Cita Chicago Style (17a ed.)

Trusted, Jennifer. An Introduction to the Philosophy of Knowledge. 2nd. ed. Basingstoke [etc.]: Macmillan Press, 1977.

Cita MLA (9a ed.)

Trusted, Jennifer. An Introduction to the Philosophy of Knowledge. 2nd. ed. Macmillan Press, 1977.