APA (7th ed.) Citation

Winkler, S. L., Laumer, I. B., Lyn, H., & Cartmill, E. A. Bonobos tend to behave optimistically after hearing laughter. Nature Portfolio.

Chicago Style (17th ed.) Citation

Winkler, Sasha L., Isabelle B. Laumer, Heidi Lyn, and Erica A. Cartmill. Bonobos Tend to Behave Optimistically After Hearing Laughter. Nature Portfolio.

MLA (9th ed.) Citation

Winkler, Sasha L., et al. Bonobos Tend to Behave Optimistically After Hearing Laughter. Nature Portfolio.