APA (7th ed.) Citation

Gleitzman, M. (2013). Then (First Square Fish edition.). Square Fish.

Chicago Style (17th ed.) Citation

Gleitzman, Morris. Then. First Square Fish edition. New York: Square Fish, 2013.

MLA (8th ed.) Citation

Gleitzman, Morris. Then. First Square Fish edition. Square Fish, 2013.

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