APA (7th ed.) Citation

(1963). The World and its peoples: Spain, Portugal, Andorra, Gibraltar. Greystone Press.

Chicago Style (17th ed.) Citation

The World and Its Peoples: Spain, Portugal, Andorra, Gibraltar. New York: Greystone Press, 1963.

MLA (8th ed.) Citation

The World and Its Peoples: Spain, Portugal, Andorra, Gibraltar. Greystone Press, 1963.

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