Cita APA (7a ed.)

Rescher, N. (1982). Introduction to value theory. University Press of America.

Cita Chicago Style (17a ed.)

Rescher, Nicholas. Introduction to Value Theory. Lanham [etc.]: University Press of America, 1982.

Cita MLA (9a ed.)

Rescher, Nicholas. Introduction to Value Theory. University Press of America, 1982.