APA-referens (7:e uppl.)

Stephenson, W. A. (1968). Seaweed in agriculture and horticulture. Faber.

Chicago-referens (17:e uppl.)

Stephenson, William Anthony. Seaweed in Agriculture and Horticulture. London: Faber, 1968.

MLA-referens (9:e uppl.)

Stephenson, William Anthony. Seaweed in Agriculture and Horticulture. Faber, 1968.