APA (7th ed.) Citation

Butler, W. (1981). The Bookplates of Valentin Le Campion. [s.n.].

Chicago Style (17th ed.) Citation

Butler, W.E. The Bookplates of Valentin Le Campion. London: [s.n.], 1981.

MLA (9th ed.) Citation

Butler, W.E. The Bookplates of Valentin Le Campion. [s.n.], 1981.