Cita APA (7th ed.)

Rescher, N. (1969). Introduction to value theory. Prentice-Hall.

Cita Chicago (17th ed.)

Rescher, Nicholas. Introduction to Value Theory. Englewood Cliffs, N.J: Prentice-Hall, 1969.

Cita MLA (9th ed.)

Rescher, Nicholas. Introduction to Value Theory. Prentice-Hall, 1969.