Cita APA (7th ed.)

Humm, H. J. (1979). The marine alge of Virginia. University Press of Virginia.

Cita Chicago (17th ed.)

Humm, Harold J. The Marine Alge of Virginia. Charlottesville, VA: University Press of Virginia, 1979.

Cita MLA (9th ed.)

Humm, Harold J. The Marine Alge of Virginia. University Press of Virginia, 1979.