Cita APA (7th ed.)
Kendall, H. M. (1972). Introduction to geography. Harcount Brace Jovanovich.
Cita Chicago (17th ed.)
Kendall, Henry M. Introduction to Geography. New York: Harcount Brace Jovanovich, 1972.
Cita MLA (9th ed.)
Kendall, Henry M. Introduction to Geography. Harcount Brace Jovanovich, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.