APA (7th ed.) Citation

Johnson, A. T., & Smith, H. A. (1947). Plant names simplified ([Rev. and enl. ed.].). W.H. & L. Collingridge.

Chicago Style (17th ed.) Citation

Johnson, A. T., and H. A. Smith. Plant Names Simplified. [Rev. and enl. ed.]. London: W.H. & L. Collingridge, 1947.

MLA (9th ed.) Citation

Johnson, A. T., and H. A. Smith. Plant Names Simplified. [Rev. and enl. ed.]. W.H. & L. Collingridge, 1947.