APA (7th ed.) Citation

Pratchett, T. (2015). Dragons at crumbling castle: And other tales. [publisher not identified].

Chicago Style (17th ed.) Citation

Pratchett, Terry. Dragons At Crumbling Castle: And Other Tales. [Place of publication not identified]: [publisher not identified], 2015.

MLA (8th ed.) Citation

Pratchett, Terry. Dragons At Crumbling Castle: And Other Tales. [publisher not identified], 2015.

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