Citazione Stile APA (7a Edizione)

Gutierrez-Smith, P. (1987). History and life: The world and its people (3rd edition.). Scott, Foresman.

Citazione stile Chigago Style (17a edizione)

Gutierrez-Smith, Patricia. History and Life: The World and Its People. 3rd edition. Glenview, Ill. [u.a.]: Scott, Foresman, 1987.

Citatione MLA (9a ed.)

Gutierrez-Smith, Patricia. History and Life: The World and Its People. 3rd edition. Scott, Foresman, 1987.