Citazione APA

Greenaway, D., & Lee, M. W. (1948). Tourist expenditures, State of Washington, 1947: A pilot study.

Stile di citazione Chicago

Greenaway, Donald, e Maurice Winthrop Lee. Tourist Expenditures, State of Washington, 1947: A Pilot Study. Pullman, 1948.

Citazione MLA

Greenaway, Donald, e Maurice Winthrop Lee. Tourist Expenditures, State of Washington, 1947: A Pilot Study. 1948.