Cita APA

Roth, J. K., & Sontag, F. (1988). The Questions of Philosophy. Belmont, California: Wadsworth.

Chicago Style Citation

Roth, John K., i Frederick Sontag. The Questions of Philosophy. Belmont, California: Wadsworth, 1988.

Cita MLA

Roth, John K., i Frederick Sontag. The Questions of Philosophy. Belmont, California: Wadsworth, 1988.

Atenció: Aquestes cites poden no estar 100% correctes.