Cita APA (7a ed.)

Waller, P., & Guthrie, J. (1916). Bookplates. Pear Tree Press.

Cita Chicago Style (17a ed.)

Waller, Pickford, y James Guthrie. Bookplates. Sussex: Pear Tree Press, 1916.

Cita MLA (9a ed.)

Waller, Pickford, y James Guthrie. Bookplates. Pear Tree Press, 1916.