APA (7th ed.) Citation

(1950). Map no. 8 city plan of Cartagena. [publisher not identified].

Chicago Style (17th ed.) Citation

Map No. 8 City Plan of Cartagena. [Place of publication not identified]: [publisher not identified], 1950.

MLA (9th ed.) Citation

Map No. 8 City Plan of Cartagena. [publisher not identified], 1950.