Gaya APA

Harbeck, R, M., K., I, J, L. (1965). Earth and space science . New York: New York: Holt, Rinehart and Winston; 1965.

Gaya MLA

Harbeck, Richard, M.., K., I., Johnson,, Lloyd. "Earth and space science". New York: New York: Holt, Rinehart and Winston; 1965, 1965. Text.