Scagel, R. F. (1966). Marine algae of British Columbia and Northern Washington. Part I: Chlorophyceae (green algae). Department of the Secretary of State.
Cita Chicago (17th ed.)Scagel, Robert F. Marine Algae of British Columbia and Northern Washington. Part I: Chlorophyceae (green Algae). Ottawa, Canada: Department of the Secretary of State, 1966.
Cita MLA (9th ed.)Scagel, Robert F. Marine Algae of British Columbia and Northern Washington. Part I: Chlorophyceae (green Algae). Department of the Secretary of State, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.