Barrett, M., Leven, R., Campbell, D., & Fry, H. (2017). City in the sky. [publisher not identified].
Style de citation Chicago (17e éd.)Barrett, Matthew, Russell Leven, Dallas Campbell, et Hannah Fry. City in the Sky. [Place of publication not identified]: [publisher not identified], 2017.
Style de citation MLA (8e éd.)Barrett, Matthew, et al. City in the Sky. [publisher not identified], 2017.
Attention : ces citations peuvent ne pas être correctes à 100%.