Cita APA (7a ed.)

Nagel, E., Grünbaum, A., & Bromberger, S. (2019). Observation and Theory in Science. Johns Hopkins University Press.

Cita Chicago Style (17a ed.)

Nagel, Ernest, Adolf Grünbaum, y Sylvain Bromberger. Observation and Theory in Science. Baltimore: Johns Hopkins University Press, 2019.

Cita MLA (9a ed.)

Nagel, Ernest, et al. Observation and Theory in Science. Johns Hopkins University Press, 2019.