Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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