Cita APA

Friedrich, L. W. 1., & Friedrich, L. W. 1. (1960). The nature of physical knowledge. Bloomington: Indiana University Press.

Citación estilo Chicago

Friedrich, Lawrence William 1912-, y Lawrence William 1912- Friedrich. The Nature of Physical Knowledge. Bloomington: Indiana University Press, 1960.

Cita MLA

Friedrich, Lawrence William 1912-, y Lawrence William 1912- Friedrich. The Nature of Physical Knowledge. Bloomington: Indiana University Press, 1960.