APA (7th ed.) Citation

Barone, Ujifusa, & Matthews. (1973). The Almanac of American politics. Gambit.

Chicago Style (17th ed.) Citation

Barone, Ujifusa, and Matthews. The Almanac of American Politics. Boston: Gambit, 1973.

MLA (8th ed.) Citation

Barone, et al. The Almanac of American Politics. Gambit, 1973.