APA (7th ed.) Citation

Worley, P., & Leṿi, T. (2014). Once upon an if: The storythinking handbook. Bloomsbury.

Chicago Style (17th ed.) Citation

Worley, Peter, and Tamar Leṿi. Once upon an If: The Storythinking Handbook. London: Bloomsbury, 2014.

MLA (9th ed.) Citation

Worley, Peter, and Tamar Leṿi. Once upon an If: The Storythinking Handbook. Bloomsbury, 2014.