APA (7th ed.) Citation

Dunbar, R., Duncan, N., & Nettle, D. (1995). Size and structure of freely forming conversational groups. Walter de Gruyter, Inc. New York.

Chicago Style (17th ed.) Citation

Dunbar, R., N. Duncan, and D. Nettle. Size and Structure of Freely Forming Conversational Groups. Walter de Gruyter, Inc. New York, 1995.

MLA (9th ed.) Citation

Dunbar, R., et al. Size and Structure of Freely Forming Conversational Groups. Walter de Gruyter, Inc. New York, 1995.