Cita APA

Harbeck, R. M., & Johnson, L. K. (1965). Earth and space science. Holt.

Chicago Edition Citation

Harbeck, Richard M., i Lloyd K. Johnson. Earth and Space Science. New York: Holt, 1965.

Cita MLA

Harbeck, Richard M., i Lloyd K. Johnson. Earth and Space Science. Holt, 1965.