Cita APA (7a ed.)

Flannery, M. J., & Johnson, L. Indexing the U.S. economy.

Cita Chicago Style (17a ed.)

Flannery, Mark J., y Lewis Johnson. Indexing the U.S. Economy.

Cita MLA (8a ed.)

Flannery, Mark J., y Lewis Johnson. Indexing the U.S. Economy.