Cita APA (7a ed.)

Machlup, F. (1982). The branches of learning. Princeton University Press.

Cita Chicago Style (17a ed.)

Machlup, Fritz. The Branches of Learning. Princeton, New Jersey: Princeton University Press, 1982.

Cita MLA (8a ed.)

Machlup, Fritz. The Branches of Learning. Princeton University Press, 1982.