APA (7th ed.) Citation

Carroll, L. (1994). Through the Looking Glass. Penguin Books.

Chicago Style (17th ed.) Citation

Carroll, Lewis. Through the Looking Glass. London [etc.]: Penguin Books, 1994.

MLA (9th ed.) Citation

Carroll, Lewis. Through the Looking Glass. Penguin Books, 1994.

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