Cita APA (7a ed.)

Boehm, R. G. (2018). Discovering world geography. McGraw-Hill Education.

Cita Chicago Style (17a ed.)

Boehm, Richard G. Discovering World Geography. Columbus,OH: McGraw-Hill Education, 2018.

Cita MLA (9a ed.)

Boehm, Richard G. Discovering World Geography. McGraw-Hill Education, 2018.