Cita APA (7th ed.)

Harte, J., & Socolow, R. H. (1971). Patient earth. Holt, Rinehart and Winston.

Cita Chicago (17th ed.)

Harte, John, i Robert H. Socolow. Patient Earth. New York,: Holt, Rinehart and Winston, 1971.

Cita MLA (8th ed.)

Harte, John, i Robert H. Socolow. Patient Earth. Holt, Rinehart and Winston, 1971.