APA引文

H.G. transports in the Harbor of Ponce, Porto Rico. Full official history of the war with Spain..

芝加哥风格引文

"H.G. Transports in the Harbor of Ponce, Porto Rico." Full Official History of the War with Spain. .

MLA引文

"H.G. Transports in the Harbor of Ponce, Porto Rico." Full Official History of the War with Spain., .

警告：这些引文格式不一定是100％准确.