Cita APA (7th ed.)

Stone, W., & Inch, R. S. (1963). Geographic fundamentals. McGRAW-HILL.

Cita Chicago (17th ed.)

Stone, W.G, i R. Spencer Inch. Geographic Fundamentals. New york: McGRAW-HILL, 1963.

Cita MLA (9th ed.)

Stone, W.G, i R. Spencer Inch. Geographic Fundamentals. McGRAW-HILL, 1963.