Cita APA

Mandino, O. (1968). The greatest salesman in the world. Frederick Fell.

Citación estilo Chicago

Mandino, Og. The Greatest Salesman in the World. New York: Frederick Fell, 1968.

Cita MLA

Mandino, Og. The Greatest Salesman in the World. Frederick Fell, 1968.

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