APA (7th ed.) Citation

White, T. H., Stubley, T., & Warner, S. T. (1978). The book of Merlyn: The unpublished conclusion to The once and future King (Continental ed.). Fontana ; Collins.

Chicago Style (17th ed.) Citation

White, T. H., Trevor Stubley, and Sylvia Townsend Warner. The Book of Merlyn: The Unpublished Conclusion to The Once and Future King. Continental ed. [London]: Fontana ; Collins, 1978.

MLA (8th ed.) Citation

White, T. H., et al. The Book of Merlyn: The Unpublished Conclusion to The Once and Future King. Continental ed. Fontana ; Collins, 1978.