Cita APA (7th ed.)
Shepherd, E. P. Geography fot Beginners. Rand McNally.
Cita Chicago (17th ed.)
Shepherd, Edith P. Geography Fot Beginners. Chicago, EUA: Rand McNally.
Cita MLA (9th ed.)
Shepherd, Edith P. Geography Fot Beginners. Rand McNally.
Atenció: Aquestes cites poden no estar 100% correctes.