記錄引文

APA引文
Gibson John. (1760). ˜A œmap of the kingdom of Portugal. s.n.
Chicago Style (17th ed.) Citation
Gibson John. ˜A œmap of the Kingdom of Portugal. s.n, 1760.
MLA引文
Gibson John. ˜A œmap of the Kingdom of Portugal. s.n, 1760.
警告:這些引文格式不一定是100%准確.