APA (7th ed.) Citation

Griffith, M. (1975). Three hundred years hence. Gregg Press.

Chicago Style (17th ed.) Citation

Griffith, Mary. Three Hundred Years Hence. Boston: Gregg Press, 1975.

MLA (8th ed.) Citation

Griffith, Mary. Three Hundred Years Hence. Gregg Press, 1975.

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