APA (7th ed.) Citation

Yen, T. F. (1975). Chemistry and structure of coal-derived asphaltenes: Phase I. Energy Research and Development Administration.

Chicago Style (17th ed.) Citation

Yen, Teh Fu. Chemistry and Structure of Coal-derived Asphaltenes: Phase I. [Washington]: Energy Research and Development Administration, 1975.

MLA (9th ed.) Citation

Yen, Teh Fu. Chemistry and Structure of Coal-derived Asphaltenes: Phase I. Energy Research and Development Administration, 1975.