Style de citation APA

Great Britain Colonial Office, National Archives (Great Britain), Adam Matthew Digital, & National Archives. (1933). Sierra Leone: : Diamond prospecting by the Consolidated African Selection Trust Ltd ; 2. Adam Matthew Digital.

Style de citation Chicago

Great Britain Colonial Office, National Archives (Great Britain), Adam Matthew Digital, et National Archives. Sierra Leone: : Diamond Prospecting by the Consolidated African Selection Trust Ltd ; 2. Marlborough, England: Adam Matthew Digital, 1933.

Style de citation MLA

Great Britain Colonial Office, et al. Sierra Leone: : Diamond Prospecting by the Consolidated African Selection Trust Ltd ; 2. Adam Matthew Digital, 1933.