APA (7th ed.) Citation

Johnston, I. M. (1949). The botany of San Jose Island (Gulf of Panama). Arnold Arboretum of Harvard University.

Chicago Style (17th ed.) Citation

Johnston, I. M. The Botany of San Jose Island (Gulf of Panama). Jamaica Plain, Mass.: Arnold Arboretum of Harvard University, 1949.

MLA (9th ed.) Citation

Johnston, I. M. The Botany of San Jose Island (Gulf of Panama). Arnold Arboretum of Harvard University, 1949.