Guevara, G. B. (1973). Across four generations. United Pub.
Chicago Style (17th ed.) CitationGuevara, Guillermo B. Across Four Generations. [Manila: United Pub, 1973.
MLA引文Guevara, Guillermo B. Across Four Generations. United Pub, 1973.
警告:這些引文格式不一定是100%准確.