APA (7th ed.) Citation

Lentz, H. M. (1994). Heads of states and governments: A worldwide encyclopedia of 2,300 leaders, 1945 through 1992. McFarland.

Chicago Style (17th ed.) Citation

Lentz, Harris M. Heads of States and Governments: A Worldwide Encyclopedia of 2,300 Leaders, 1945 Through 1992. Jefferson, NC: McFarland, 1994.

MLA (9th ed.) Citation

Lentz, Harris M. Heads of States and Governments: A Worldwide Encyclopedia of 2,300 Leaders, 1945 Through 1992. McFarland, 1994.