APA (7th ed.) Citation

Gowan, S. W. (1981). Exploration procedures for highway base-course aggregate in southeast Texas. [publisher not identified].

Chicago Style (17th ed.) Citation

Gowan, Samuel Ward. Exploration Procedures for Highway Base-course Aggregate in Southeast Texas. [Place of publication not identified]: [publisher not identified], 1981.

MLA (9th ed.) Citation

Gowan, Samuel Ward. Exploration Procedures for Highway Base-course Aggregate in Southeast Texas. [publisher not identified], 1981.