APA (7th ed.) Citation

Hager, H., Tolkien, J. R. R., Carpenter, H., & Tolkien, C. (2000). The Lord of the rings by J.R.R. Tolkien: A teacher's guide. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Hager, Hal, J. R. R. Tolkien, Humphrey Carpenter, and Christopher Tolkien. The Lord of the Rings by J.R.R. Tolkien: A Teacher's Guide. [Boston]: Houghton Mifflin, 2000.

MLA (8th ed.) Citation

Hager, Hal, et al. The Lord of the Rings by J.R.R. Tolkien: A Teacher's Guide. Houghton Mifflin, 2000.