APA (7e ed.) Bronvermelding

Nagel, E., Bromberger, S., & Grünbaum, A. (1971). Observation and Theory in Science. Johns Hopkins Press.

Chicago (17e ed.) Bronvermelding

Nagel, Ernest, Sylvain Bromberger, en Adolf Grünbaum. Observation and Theory in Science. Baltimore: Johns Hopkins Press, 1971.

MLA (9e ed.) Bronvermelding

Nagel, Ernest, et al. Observation and Theory in Science. Johns Hopkins Press, 1971.