Citação norma APA

Kral, T., & Thomas Kral. (1995). American panorama: English through content : American history. Washington, D.C: United States Information Agency. English Language Programs Division.

Citação norma Chicago

Kral, Thomas, e Thomas Kral. American Panorama: English Through Content : American History. Washington, D.C: United States Information Agency. English Language Programs Division, 1995.

Citação norma MLA

Kral, Thomas, e Thomas Kral. American Panorama: English Through Content : American History. Washington, D.C: United States Information Agency. English Language Programs Division, 1995.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.