APA (7th ed.) Citation

Butler, W. E., & Butler, D. J. (1990). Modern British bookplates. Silent Books.

Chicago Style (17th ed.) Citation

Butler, William Elliott, and Darlene J. Butler. Modern British Bookplates. Cambridge: Silent Books, 1990.

MLA (9th ed.) Citation

Butler, William Elliott, and Darlene J. Butler. Modern British Bookplates. Silent Books, 1990.

Warning: These citations may not always be 100% accurate.