Cita APA (7th ed.)

Sandercock, L. Towards a planning imagination for the 21st century. Journal of the American Planning Association.

Cita Chicago (17th ed.)

Sandercock, Leonie. "Towards a Planning Imagination for the 21st Century." Journal of the American Planning Association .

Cita MLA (9th ed.)

Sandercock, Leonie. "Towards a Planning Imagination for the 21st Century." Journal of the American Planning Association, .