APA (7th ed.) Citation

Jansson, T., & Portch, E. (2010). Comet in Moominland (1st Square Fish ed.). Square Fish.

Chicago Style (17th ed.) Citation

Jansson, Tove, and Elizabeth Portch. Comet in Moominland. 1st Square Fish ed. New York: Square Fish, 2010.

MLA (8th ed.) Citation

Jansson, Tove, and Elizabeth Portch. Comet in Moominland. 1st Square Fish ed. Square Fish, 2010.

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