APA (7th ed.) Citation

Tolkien J. R. R. & Tolkien, C. (1983). The book of lost tales: Part i. Houghton Mifflin Company.

Chicago Style (17th ed.) Citation

Tolkien J. R. R. and Christopher Tolkien. The Book of Lost Tales: Part I. Boston: Houghton Mifflin Company, 1983.

MLA (9th ed.) Citation

Tolkien J. R. R. and Christopher Tolkien. The Book of Lost Tales: Part I. Houghton Mifflin Company, 1983.