Citazione APA

Sills, D. L. (1957). The volunteers: Means and ends in a national organization. Illinois: Columbia University.

Stile di citazione Chicago

Sills, David L. The Volunteers: Means and Ends in a National Organization. Illinois: Columbia University, 1957.

Citazione MLA

Sills, David L. The Volunteers: Means and Ends in a National Organization. Illinois: Columbia University, 1957.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.