Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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