Styl cytowania APA

Roberts, W. O., & Lansford, H. (1979). The climate mandate. W.H. Freeman.

Styl cytowania Chicago

Roberts, Walter Orr, i Henry Lansford. The Climate Mandate. San Francisco: W.H. Freeman, 1979.

Styl cytowania MLA

Roberts, Walter Orr, i Henry Lansford. The Climate Mandate. W.H. Freeman, 1979.