Gwaith Talhaiarn.
The works of Talhaiarn in Welsh and English.

APA Citation

Talhaiarn, 1. (1855). Gwaith Talhaiarn: The works of Talhaiarn in Welsh and English. London: H. Williams, etc..

MLA Citation

Talhaiarn, 1810-1869. Gwaith Talhaiarn: The Works of Talhaiarn In Welsh And English. London: H. Williams, etc., 1855.

Warning: These citations may not always be complete (especially for serials).