Cita APA (7a ed.)

Gray Herbarium. (1984). Contributions from the Gray Herbarium of Harvard University. Harvard University.

Cita Chicago Style (17a ed.)

Gray Herbarium. Contributions from the Gray Herbarium of Harvard University. [Cambridge, Mass.]: Harvard University, 1984.

Cita MLA (9a ed.)

Gray Herbarium. Contributions from the Gray Herbarium of Harvard University. Harvard University, 1984.