APA (7th ed.) Citation

Stiller, B., Wiig, K., MacLaine, S., Scott, A., Hahn, K., Penn, S., & Thurber, J. The secret life of Walter Mitty.

Chicago Style (17th ed.) Citation

Stiller, Ben, Kristen Wiig, Shirley MacLaine, Adam Scott, Kathryn Hahn, Sean Penn, and James Thurber. The Secret Life of Walter Mitty.

MLA (8th ed.) Citation

Stiller, Ben, et al. The Secret Life of Walter Mitty.

Warning: These citations may not always be 100% accurate.