APA引文

Del Prado, M. G. (1960). "A short history of the district of Albay". s.n.

Chicago Style (17th ed.) Citation

Del Prado, Mariano Goyena. "A Short History of the District of Albay". s.l: s.n, 1960.

MLA引文

Del Prado, Mariano Goyena. "A Short History of the District of Albay". s.n, 1960.

警告：這些引文格式不一定是100％准確.