APA (7th ed.) Citation

Halkett, S., Simoni, A. E. C., Laing, J., & Rhodes, D. E. (1956). Dictionary of anonymous and pseudonymous English literature. Oliver and Boyd.

Chicago Style (17th ed.) Citation

Halkett, Samuel, Anna E. C. Simoni, John Laing, and Dennis E. Rhodes. Dictionary of Anonymous and Pseudonymous English Literature. Edinburgh [etc.]: Oliver and Boyd, 1956.

MLA (9th ed.) Citation

Halkett, Samuel, et al. Dictionary of Anonymous and Pseudonymous English Literature. Oliver and Boyd, 1956.