Cita APA (7a ed.)

Lansing, J. B., & Morgan, J. N. (1971). Economic survey methods. Survey Research Center, University of Michigan.

Cita Chicago Style (17a ed.)

Lansing, John B., y James N. Morgan. Economic Survey Methods. Ann Arbor: Survey Research Center, University of Michigan, 1971.

Cita MLA (8a ed.)

Lansing, John B., y James N. Morgan. Economic Survey Methods. Survey Research Center, University of Michigan, 1971.