APA (7th ed.) Citation

Tolkien, J. R. R., & Tolkien, C. (1983). The book of lost tales. Allen & Unwin.

Chicago Style (17th ed.) Citation

Tolkien, J. R. R., and Christopher Tolkien. The Book of Lost Tales. London ; Boston: Allen & Unwin, 1983.

MLA (8th ed.) Citation

Tolkien, J. R. R., and Christopher Tolkien. The Book of Lost Tales. Allen & Unwin, 1983.