APA (7th ed.) Citation

Mehu, M., & Dunbar, R. (2008). Naturalistic observations of smiling and laughter in human group interactions. Brill.

Chicago Style (17th ed.) Citation

Mehu, M., and R. Dunbar. Naturalistic Observations of Smiling and Laughter in Human Group Interactions. Brill, 2008.

MLA (9th ed.) Citation

Mehu, M., and R. Dunbar. Naturalistic Observations of Smiling and Laughter in Human Group Interactions. Brill, 2008.

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