APA (7th ed.) Citation

Erens, B., Burkill, S., Couper, M. P., Conrad, F., Clifton, S., Tanton, C., . . . Copas, A. J. (2014). Nonprobability Web Surveys to Measure Sexual Behaviors and Attitudes in the General Population: A Comparison With a Probability Sample Interview Survey. JMIR Publications.

Chicago Style (17th ed.) Citation

Erens, Bob, et al. Nonprobability Web Surveys to Measure Sexual Behaviors and Attitudes in the General Population: A Comparison With a Probability Sample Interview Survey. JMIR Publications, 2014.

MLA (9th ed.) Citation

Erens, Bob, et al. Nonprobability Web Surveys to Measure Sexual Behaviors and Attitudes in the General Population: A Comparison With a Probability Sample Interview Survey. JMIR Publications, 2014.

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