Ballester, J., & Inza, J. (1770). [Retrato de Pedro Pablo Abarca de Bolea]. s.n., s.a.
Chicago Style (17th ed.) CitationBallester, Joaquín, and Joaquín Inza. [Retrato De Pedro Pablo Abarca De Bolea]. [S.l.: s.n., s.a, 1770.
MLA (9th ed.) CitationBallester, Joaquín, and Joaquín Inza. [Retrato De Pedro Pablo Abarca De Bolea]. s.n., s.a, 1770.
Warning: These citations may not always be 100% accurate.