Ashby, P., & Campbell, R. (1979). Microfilm publishing. Butterworth.
Chicago Style (17th ed.) CitationAshby, Peter, and Robert Campbell. Microfilm Publishing. London ; Boston: Butterworth, 1979.
MLA (8th ed.) CitationAshby, Peter, and Robert Campbell. Microfilm Publishing. Butterworth, 1979.
Warning: These citations may not always be 100% accurate.