APA (7th ed.) Citation

Kenworthy, Lowenbein, & Ferrari. (1968). Leaders of new nations. Doubleday.

Chicago Style (17th ed.) Citation

Kenworthy, Lowenbein, and Ferrari. Leaders of New Nations. Garden City, N.Y: Doubleday, 1968.

MLA (8th ed.) Citation

Kenworthy, et al. Leaders of New Nations. Doubleday, 1968.