APA

Druckman J. N., Kifer M. J. & Parkin M.Campaign communications in U.S. congressional elections. : .

Chicago

Druckman James N, Kifer Martin J and Parkin Michael.Campaign communications in U.S. congressional elections. : .

Harvard

Druckman J. N., Kifer M. J. and Parkin M.Campaign communications in U.S. congressional elections. : .

MLA

Druckman James N, Kifer Martin J and Parkin Michael.: . .