APA (7th ed.) Citation

Belcher, H., & Swale, E. (1979). An illustrated guide to river phytoplankton. H.M. Stationery Off.

Chicago Style (17th ed.) Citation

Belcher, Hilary, and Erica Swale. An Illustrated Guide to River Phytoplankton. London: H.M. Stationery Off, 1979.

MLA (8th ed.) Citation

Belcher, Hilary, and Erica Swale. An Illustrated Guide to River Phytoplankton. H.M. Stationery Off, 1979.