APA

Piper J. L., Pearson D. F. & Dresser G. B. (1993). The state-of-the-practice in forecasting turning flows. Interim report. College Station, TX: Texas A&M University.

Chicago

Piper Janis L, Pearson David F and Dresser George B. 1993. The state-of-the-practice in forecasting turning flows. Interim report. College Station, TX: Texas A&M University.

Harvard

Piper J. L., Pearson D. F. and Dresser G. B. (1993). The state-of-the-practice in forecasting turning flows. Interim report. College Station, TX: Texas A&M University.

MLA

Piper Janis L, Pearson David F and Dresser George B. The state-of-the-practice in forecasting turning flows. Interim report. College Station, TX: Texas A&M University. 1993.