APA
Van de Hulst H.C. Ed, International space science symposium on space research 2 (2 : 1961 : Florence), De Jager C. Ed & Moore A.F. Ed. (1961). Proceeding on space research 2. : .
Chicago
Van de Hulst H.C. Ed, International space science symposium on space research 2 (2 : 1961 : Florence), De Jager C. Ed and Moore A.F. Ed. 1961. Proceeding on space research 2. : .
Harvard
Van de Hulst H.C. Ed, International space science symposium on space research 2 (2 : 1961 : Florence), De Jager C. Ed and Moore A.F. Ed. (1961). Proceeding on space research 2. : .
MLA
Van de Hulst H.C. Ed, International space science symposium on space research 2 (2 : 1961 : Florence), De Jager C. Ed and Moore A.F. Ed. Proceeding on space research 2. : . 1961.
