APA (7th ed.) Citation

Clapton, M., McIntyre, G., Benioff, D., & Weiss, D. B. (2019). Game of Thrones: The costumes. Harper Voyager.

Chicago Style (17th ed.) Citation

Clapton, Michele, Gina McIntyre, David Benioff, and D. B. Weiss. Game of Thrones: The Costumes. London: Harper Voyager, 2019.

MLA (9th ed.) Citation

Clapton, Michele, et al. Game of Thrones: The Costumes. Harper Voyager, 2019.