Cita APA (7th ed.)

Blaustein, B. D., Bockrath, B. C., & Friedman, S. (1981). New approaches in coal chemistry. American Chemical Society.

Cita Chicago (17th ed.)

Blaustein, Bernard D., Bradley C. Bockrath, i Sidney Friedman. New Approaches in Coal Chemistry. Washington, DC: American Chemical Society, 1981.

Cita MLA (9th ed.)

Blaustein, Bernard D., et al. New Approaches in Coal Chemistry. American Chemical Society, 1981.