APA-viite

Butcher, R. W. Introductory account of the smaller algae of British coastal waters: :Introduction and Chlorophyceae.

Chicago-tyylinen lähdeviittaus

Butcher, R. W. Introductory Account of the Smaller Algae of British Coastal Waters: :Introduction and Chlorophyceae.

MLA-viite

Butcher, R. W. Introductory Account of the Smaller Algae of British Coastal Waters: :Introduction and Chlorophyceae.