Cita APA (7a ed.)

Czarra, F. (1986). Learning about the World: An Introduction to Global Awareness.

Cita Chicago Style (17a ed.)

Czarra, Fred. Learning About the World: An Introduction to Global Awareness. 1986.

Cita MLA (9a ed.)

Czarra, Fred. Learning About the World: An Introduction to Global Awareness. 1986.