Cita APA (7th ed.)

Pratt, R. H. (1991). Collection and application of ridership data on rapid transit systems. Transportation Research Board, National Research Council.

Cita Chicago (17th ed.)

Pratt, Richard H. Collection and Application of Ridership Data on Rapid Transit Systems. Washington, D.C: Transportation Research Board, National Research Council, 1991.

Cita MLA (9th ed.)

Pratt, Richard H. Collection and Application of Ridership Data on Rapid Transit Systems. Transportation Research Board, National Research Council, 1991.