Cita APA (7a ed.)

Espino-Cabatit, H., & Gatchalian, H. (1951). Biochemistry. s.n.

Cita Chicago Style (17a ed.)

Espino-Cabatit, Helen, y Hipolito Gatchalian. Biochemistry. Manila: s.n, 1951.

Cita MLA (9a ed.)

Espino-Cabatit, Helen, y Hipolito Gatchalian. Biochemistry. s.n, 1951.