APA (7th ed.) Citation

(1968). The blue book: Leaders of the English-speaking world. St. James Pr. ; St. Martin's Pr..

Chicago Style (17th ed.) Citation

The Blue Book: Leaders of the English-speaking World. London : New York: St. James Pr. ; St. Martin's Pr., 1968.

MLA (8th ed.) Citation

The Blue Book: Leaders of the English-speaking World. St. James Pr. ; St. Martin's Pr., 1968.

Warning: These citations may not always be 100% accurate.