APA (7th ed.) Citation

Rees, O. W., Wagner, W. F., & Tilbury, W. G. (1948). Chemical characteristics of banded ingredients of coal. [publisher not identified].

Chicago Style (17th ed.) Citation

Rees, Orin Wainwright, William Frederick Wagner, and Wilbur Glenn Tilbury. Chemical Characteristics of Banded Ingredients of Coal. Urbana: [publisher not identified], 1948.

MLA (9th ed.) Citation

Rees, Orin Wainwright, et al. Chemical Characteristics of Banded Ingredients of Coal. [publisher not identified], 1948.