Gaya APA

Levy, L., Swanson, C, P. (NULL). Space its impact on man and society . New: New York: WW. Norton & Company; 1965.

Gaya MLA

Levy, Lillian., Swanson, Carl, P.. "Space its impact on man and society". New: New York: WW. Norton & Company; 1965, NULL. Text.