Cita APA (7th ed.)

Ejercito, T. A., Bautista, E. N., & Lewis, H. R. (1966). Blending carbonization of foreign and local coals. Bureau of Mines.

Cita Chicago (17th ed.)

Ejercito, Telesforo A., Elpidio N. Bautista, i Helen R. Lewis. Blending Carbonization of Foreign and Local Coals. Manila: Bureau of Mines, 1966.

Cita MLA (9th ed.)

Ejercito, Telesforo A., et al. Blending Carbonization of Foreign and Local Coals. Bureau of Mines, 1966.