APA (7th ed.) Citation

Hartland, S. (1970). Counter-current extraction: An introduction to the design and operation of counter-current extractors ([1st ed.].). Pergamon Press.

Chicago Style (17th ed.) Citation

Hartland, Stanley. Counter-current Extraction: An Introduction to the Design and Operation of Counter-current Extractors. [1st ed.]. Oxford, New York: Pergamon Press, 1970.

MLA (8th ed.) Citation

Hartland, Stanley. Counter-current Extraction: An Introduction to the Design and Operation of Counter-current Extractors. [1st ed.]. Pergamon Press, 1970.