APA (7th ed.) Citation

Tolkien, J. R. R., & Tolkien, C. (1979). Pictures by J. R. R. Tolkien (1st American ed.). Houghton Mifflin.

Chicago Style (17th ed.) Citation

Tolkien, J. R. R., and Christopher Tolkien. Pictures by J. R. R. Tolkien. 1st American ed. Boston: Houghton Mifflin, 1979.

MLA (8th ed.) Citation

Tolkien, J. R. R., and Christopher Tolkien. Pictures by J. R. R. Tolkien. 1st American ed. Houghton Mifflin, 1979.