APA (7th ed.) Citation
Vigeveno, H. S. (1966). 13 men who changed the world. G/L.
Chicago Style (17th ed.) Citation
Vigeveno, H. S. 13 Men Who Changed the World. California: G/L, 1966.
MLA (9th ed.) Citation
Vigeveno, H. S. 13 Men Who Changed the World. G/L, 1966.
Warning: These citations may not always be 100% accurate.