Roman, C. A. (1969). Secretos del cosmos. Salvat [etc.].
Chicago Style (17th ed.) CitationRoman, Colin A. Secretos Del Cosmos. Barcelona [etc.]: Salvat [etc.], 1969.
MLA (9th ed.) CitationRoman, Colin A. Secretos Del Cosmos. Salvat [etc.], 1969.
Warning: These citations may not always be 100% accurate.