APA (7th ed.) Citation

Browning, E. B., Browning, R., & Bax, C. (1947). The poetry of the Brownings: An anthology. F. Muller.

Chicago Style (17th ed.) Citation

Browning, Elizabeth Barrett, Robert Browning, and Clifford Bax. The Poetry of the Brownings: An Anthology. London: F. Muller, 1947.

MLA (9th ed.) Citation

Browning, Elizabeth Barrett, et al. The Poetry of the Brownings: An Anthology. F. Muller, 1947.