APA

Frohlich N., Oppenheimer J. A. & Young O. R. (1971). Political leadership and collective goods. Princeton, N.J: Princeton University Press.

Chicago

Frohlich Norman, Oppenheimer Joe A and Young Oran R. 1971. Political leadership and collective goods. Princeton, N.J: Princeton University Press.

Harvard

Frohlich N., Oppenheimer J. A. and Young O. R. (1971). Political leadership and collective goods. Princeton, N.J: Princeton University Press.

MLA

Frohlich Norman, Oppenheimer Joe A and Young Oran R. Political leadership and collective goods. Princeton, N.J: Princeton University Press. 1971.