APA (7th ed.) Citation

Symposium on Gas Chromatography in Biology and Medicine London, England, Ciba Foundation, & Porter, R. (1969). Gas chromatography in biology and medicine. J. & A. Churchill.

Chicago Style (17th ed.) Citation

Symposium on Gas Chromatography in Biology and Medicine London, England, Ciba Foundation, and Ruth Porter. Gas Chromatography in Biology and Medicine. London: J. & A. Churchill, 1969.

MLA (9th ed.) Citation

Symposium on Gas Chromatography in Biology and Medicine London, England, et al. Gas Chromatography in Biology and Medicine. J. & A. Churchill, 1969.

Warning: These citations may not always be 100% accurate.