Cita APA (7th ed.)

Rugg, H. O. (1926). Resources, industries and cities of America. Lincoln School.

Cita Chicago (17th ed.)

Rugg, Harold Ordway. Resources, Industries and Cities of America. [New York: Lincoln School, 1926.

Cita MLA (9th ed.)

Rugg, Harold Ordway. Resources, Industries and Cities of America. Lincoln School, 1926.