Cita APA (7th ed.)

Broughton, L. N., Northup, C. S., & Pearsall, R. B. (1970). Robert Browning: A bibliography, 1830-1950. Burt Franklin.

Cita Chicago (17th ed.)

Broughton, Leslie Nathan, Clark Sutherland Northup, i Robert Brainard Pearsall. Robert Browning: A Bibliography, 1830-1950. New York: Burt Franklin, 1970.

Cita MLA (9th ed.)

Broughton, Leslie Nathan, et al. Robert Browning: A Bibliography, 1830-1950. Burt Franklin, 1970.