Cita APA (7th ed.)

Ochotorena, Z. (1968). Recovery of silver from photographic wastes. s.n.].

Cita Chicago (17th ed.)

Ochotorena, Zenaida. Recovery of Silver from Photographic Wastes. [Quezon City: s.n.], 1968.

Cita MLA (9th ed.)

Ochotorena, Zenaida. Recovery of Silver from Photographic Wastes. s.n.], 1968.