APA (7th ed.) Citation

Unkel, M. B., Reid, L. M., Schaffer, R. C., Smith, A. W., & Stenning, W. F. (1975). Texas metropolitan vacation travelers: Socioeconomic characteristics, trip purpose and destinations.

Chicago Style (17th ed.) Citation

Unkel, Margot Babette, L. M. Reid, R. C. Schaffer, A. W. Smith, and W. F. Stenning. Texas Metropolitan Vacation Travelers: Socioeconomic Characteristics, Trip Purpose and Destinations. [College Station, Tex.], 1975.

MLA (9th ed.) Citation

Unkel, Margot Babette, et al. Texas Metropolitan Vacation Travelers: Socioeconomic Characteristics, Trip Purpose and Destinations. 1975.