APA (7th ed.) Citation

Porter, M., Mucha, P., Newman, M., & Friend, A. (2007). Community structure in the United States House of Representatives.

Chicago Style (17th ed.) Citation

Porter, M., P. Mucha, M. Newman, and A. Friend. Community Structure in the United States House of Representatives. 2007.

MLA (9th ed.) Citation

Porter, M., et al. Community Structure in the United States House of Representatives. 2007.