APA (7th ed.) Citation

Dixon, H. N. (1920). Reports upon two collections of Mosses from British East Africa. Smithson. Inst.

Chicago Style (17th ed.) Citation

Dixon, Hugh Neville. Reports upon Two Collections of Mosses from British East Africa. Washington: Smithson. Inst, 1920.

MLA (9th ed.) Citation

Dixon, Hugh Neville. Reports upon Two Collections of Mosses from British East Africa. Smithson. Inst, 1920.