Cita APA (7th ed.)
Cronkite, D. [. (2007). Prentice Hall Science Explorer: Oklahoma Grade 6. Pearson Prentice Hall.
Cita Chicago (17th ed.)
Cronkite, Donald [et-al]. Prentice Hall Science Explorer: Oklahoma Grade 6. Massachusetts: Pearson Prentice Hall, 2007.
Cita MLA (9th ed.)
Cronkite, Donald [et-al]. Prentice Hall Science Explorer: Oklahoma Grade 6. Pearson Prentice Hall, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.