Cita APA (7a ed.)

Craf, J. R. (1949). An introduction to business principles and practices. Harper.

Cita Chicago Style (17a ed.)

Craf, John Riley. An Introduction to Business Principles and Practices. New York: Harper, 1949.

Cita MLA (9a ed.)

Craf, John Riley. An Introduction to Business Principles and Practices. Harper, 1949.