APA aipamena

Howards, P. P., Schisterman, E. F., Poole, C., Kaufman, J. S., & Weinberg, C. R. (2012). “Toward a Clearer Definition of Confounding” Revisited With Directed Acyclic Graphs. Oxford University Press.

Chicago Style aipamena

Howards, Penelope P., Enrique F. Schisterman, Charles Poole, Jay S. Kaufman, and Clarice R. Weinberg. “Toward a Clearer Definition of Confounding” Revisited With Directed Acyclic Graphs. Oxford University Press, 2012.

MLA aipamena

Howards, Penelope P., et al. “Toward a Clearer Definition of Confounding” Revisited With Directed Acyclic Graphs. Oxford University Press, 2012.