Cita APA

Sheviak, C. J., & Sheviak, C. J. (1982). Biosystematic study of the spiranthes cernua complex. Albany, N.Y.: University of the State of New York, State Education Departamento.

Citación estilo Chicago

Sheviak, Charles J., y Charles J. Sheviak. Biosystematic Study of the Spiranthes Cernua Complex. Albany, N.Y.: University of the State of New York, State Education Departamento, 1982.

Cita MLA

Sheviak, Charles J., y Charles J. Sheviak. Biosystematic Study of the Spiranthes Cernua Complex. Albany, N.Y.: University of the State of New York, State Education Departamento, 1982.