APA

Ornstein N. J., Malbin M. J. & Mann T. E. (1994). Vital statistics on Congress, 1993-1994. Washington, D.C: Congressional Quarterly.

Chicago

Ornstein Norman J, Malbin Michael J and Mann Thomas E. 1994. Vital statistics on Congress, 1993-1994. Washington, D.C: Congressional Quarterly.

Harvard

Ornstein N. J., Malbin M. J. and Mann T. E. (1994). Vital statistics on Congress, 1993-1994. Washington, D.C: Congressional Quarterly.

MLA

Ornstein Norman J, Malbin Michael J and Mann Thomas E. Vital statistics on Congress, 1993-1994. Washington, D.C: Congressional Quarterly. 1994.