APA

Hargrove E. C., Nelson M. & University Johns Hopkins. (1984). Presidents, politics and policy. Baltimore: the Johns Hopkins University.

Chicago

Hargrove Erwin C, Nelson Michael and University Johns Hopkins. 1984. Presidents, politics and policy. Baltimore: the Johns Hopkins University.

Harvard

Hargrove E. C., Nelson M. and University Johns Hopkins. (1984). Presidents, politics and policy. Baltimore: the Johns Hopkins University.

MLA

Hargrove Erwin C, Nelson Michael and University Johns Hopkins. Presidents, politics and policy. Baltimore: the Johns Hopkins University. 1984.