APA (7th ed.) Citation

Spence, H. (1969). Marcos of the Philippines: A biography. World Pub.

Chicago Style (17th ed.) Citation

Spence, Hartzell. Marcos of the Philippines: A Biography. New York: World Pub, 1969.

MLA (9th ed.) Citation

Spence, Hartzell. Marcos of the Philippines: A Biography. World Pub, 1969.