Hall, N., & Johnston, R. D. (1955). How to use the card sorting key for the identification of Dicotyledonous families. Govt. Printer.
Chicago Style (17th ed.) CitationHall, N., and R. D. Johnston. How to Use the Card Sorting Key for the Identification of Dicotyledonous Families. Canberra: Govt. Printer, 1955.
MLA (8th ed.) CitationHall, N., and R. D. Johnston. How to Use the Card Sorting Key for the Identification of Dicotyledonous Families. Govt. Printer, 1955.
Warning: These citations may not always be 100% accurate.