Cita APA (7a ed.)

Heinz, V. (1989). Insight guides: Rome. APA Pub.

Cita Chicago Style (17a ed.)

Heinz, Vestner. Insight Guides: Rome. Singapore: APA Pub, 1989.

Cita MLA (9a ed.)

Heinz, Vestner. Insight Guides: Rome. APA Pub, 1989.