APA-viite (7. p.)

Edit. Kurt Levy, R. S. a. L. B. (1980). Camões and his times. [s.n.].

Chicago-viite (17. p.)

Edit. Kurt Levy, Ricardo Sternberg and Laura Bulger. Camões and His Times. [s.n.], 1980.

MLA-viite (8. p.)

Edit. Kurt Levy, Ricardo Sternberg and Laura Bulger. Camões and His Times. [s.n.], 1980.