APA (7th ed.) Citation

Stephenson, A. L. (1987). Utilization of by-product gypsum in construction. [publisher not identified].

Chicago Style (17th ed.) Citation

Stephenson, Angela Lorraine. Utilization of By-product Gypsum in Construction. [Place of publication not identified]: [publisher not identified], 1987.

MLA (9th ed.) Citation

Stephenson, Angela Lorraine. Utilization of By-product Gypsum in Construction. [publisher not identified], 1987.