APA (7th ed.) Citation

Leconte, P., Tonnerre, J., Madden, R., Rickman, A., Hall, R., Steed, M., . . . Zweig, S. A promise.

Chicago Style (17th ed.) Citation

Leconte, Patrice, Jérôme Tonnerre, Richard Madden, Alan Rickman, Rebecca Hall, Maggie Steed, Toby Murray, Shannon Tarbet, and Stefan Zweig. A Promise.

MLA (9th ed.) Citation

Leconte, Patrice, et al. A Promise.