APA (7th ed.) Citation

Speer, R. E. (1967). Some great leaders in the world movement. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Speer, Robert E. Some Great Leaders in the World Movement. Freeport, N.Y.: Books for Libraries Press, 1967.

MLA (9th ed.) Citation

Speer, Robert E. Some Great Leaders in the World Movement. Books for Libraries Press, 1967.