Cita APA (7th ed.)

Root, D., & Irwin, J. (2000). Pennsylvania (First edition.). Fodor''s Travel Publications.

Cita Chicago (17th ed.)

Root, Douglas, i Jerry Irwin. Pennsylvania. First edition. Oakland: Fodor''s Travel Publications, 2000.

Cita MLA (9th ed.)

Root, Douglas, i Jerry Irwin. Pennsylvania. First edition. Fodor''s Travel Publications, 2000.

Atenció: Aquestes cites poden no estar 100% correctes.