Cita APA

Whitford, L. A. 1., & Schumacher, G. J. (1969). A manual of the fresh-water algae in North Carolina. North Carolina Agricultural Experiment Station.

Citación estilo Chicago

Whitford, L. A. 1902-, and G. J. Schumacher. A Manual of the Fresh-water Algae in North Carolina. [Raleigh]: North Carolina Agricultural Experiment Station, 1969.

Cita MLA

Whitford, L. A. 1902-, and G. J. Schumacher. A Manual of the Fresh-water Algae in North Carolina. [Raleigh]: North Carolina Agricultural Experiment Station, 1969.