APA (7th ed.) Citation
Nagel, E., Bromberger, S., Grünbaum, A., & Stephen F. Barker [introduction]. (1971). Observation and theory in science. Johns Hopkins Press.
Chicago Style (17th ed.) Citation
Nagel, Ernest, Sylvain Bromberger, Adolf Grünbaum, and Stephen F. Barker [introduction]. Observation and Theory in Science. Baltimore: Johns Hopkins Press, 1971.
MLA (9th ed.) Citation
Nagel, Ernest, et al. Observation and Theory in Science. Johns Hopkins Press, 1971.
Warning: These citations may not always be 100% accurate.