APA

Collins J., Hall N. & Paul L. A. (2004). Causation and counterfactuals. London: Massachussetts Institute of Technology.

Chicago

Collins John, Hall Ned and Paul L A. 2004. Causation and counterfactuals. London: Massachussetts Institute of Technology.

Harvard

Collins J., Hall N. and Paul L. A. (2004). Causation and counterfactuals. London: Massachussetts Institute of Technology.

MLA

Collins John, Hall Ned and Paul L A. Causation and counterfactuals. London: Massachussetts Institute of Technology. 2004.