APA (7th ed.) Citation

British Guiana. Department of Lands and Mines. (1929). Map of British Guiana (Rev to date 1929.). Dept. of Lands and Mines.

Chicago Style (17th ed.) Citation

British Guiana. Department of Lands and Mines. Map of British Guiana. Rev to date 1929. British Guiana [Guyana]: Dept. of Lands and Mines, 1929.

MLA (9th ed.) Citation

British Guiana. Department of Lands and Mines. Map of British Guiana. Rev to date 1929. Dept. of Lands and Mines, 1929.