Cita APA (7a ed.)

Powers, W. E., & Logan, R. F. (1952). Transcontinental excursion guidebook. Rand McNally for the United States National Committee of the International Geographical Union.

Cita Chicago Style (17a ed.)

Powers, William Edwards, y Richard F. Logan. Transcontinental Excursion Guidebook. Washington, D. C.: Rand McNally for the United States National Committee of the International Geographical Union, 1952.

Cita MLA (9a ed.)

Powers, William Edwards, y Richard F. Logan. Transcontinental Excursion Guidebook. Rand McNally for the United States National Committee of the International Geographical Union, 1952.