Gaya APA

Stern, P, D., Swanson, C, P. (1965). **Our space environment . New York: New York: Holt, Rinehart and Winston; 1965..

Gaya MLA

Stern, Phillip, D.., Swanson, Carl, P.. "**Our space environment". New York: New York: Holt, Rinehart and Winston; 1965., 1965. Text.