APA-viite (7. p.)

Willmer, E. N. (1946). Retinal structure and colour vision: A restatement and an hypothesis. University Press.

Chicago-viite (17. p.)

Willmer, E. N. Retinal Structure and Colour Vision: A Restatement and an Hypothesis. Cambridge: University Press, 1946.

MLA-viite (8. p.)

Willmer, E. N. Retinal Structure and Colour Vision: A Restatement and an Hypothesis. University Press, 1946.