APA (7th ed.) Citation

Paul, K. (1998). The Purple Mountain Monster: A 3-dimensional picture book (1. publ. in GB.). Tango Book.

Chicago Style (17th ed.) Citation

Paul, Korky. The Purple Mountain Monster: A 3-dimensional Picture Book. 1. publ. in GB. London: Tango Book, 1998.

MLA (9th ed.) Citation

Paul, Korky. The Purple Mountain Monster: A 3-dimensional Picture Book. 1. publ. in GB. Tango Book, 1998.