APA (7th ed.) Citation

Ritchie, G. G., & Sherrill, E. (2007). Return from tomorrow (30th anniversary ed.). Chosen Books.

Chicago Style (17th ed.) Citation

Ritchie, George G., and Elizabeth Sherrill. Return from Tomorrow. 30th anniversary ed. Grand Rapids, Mich: Chosen Books, 2007.

MLA (9th ed.) Citation

Ritchie, George G., and Elizabeth Sherrill. Return from Tomorrow. 30th anniversary ed. Chosen Books, 2007.

Warning: These citations may not always be 100% accurate.