Niedercorn, J. H., & Bechdolt, B. V. (1972). AN ECONOMIC DERIVATION OF THE 'GRAVITY LAW' OF SPATIAL INTERACTION: A FURTHER REPLY AND A REFORMULATION. Journal of Regional Science, 12(1), 127. https://doi.org/10.1111/j.1467-9787.1972.tb00284.x
Chicago Style (17th ed.) CitationNiedercorn, John H., and Burley V. Bechdolt. "AN ECONOMIC DERIVATION OF THE 'GRAVITY LAW' OF SPATIAL INTERACTION: A FURTHER REPLY AND A REFORMULATION." Journal of Regional Science 12, no. 1 (1972): 127. https://doi.org/10.1111/j.1467-9787.1972.tb00284.x.
MLA (9th ed.) CitationNiedercorn, John H., and Burley V. Bechdolt. "AN ECONOMIC DERIVATION OF THE 'GRAVITY LAW' OF SPATIAL INTERACTION: A FURTHER REPLY AND A REFORMULATION." Journal of Regional Science, vol. 12, no. 1, 1972, p. 127, https://doi.org/10.1111/j.1467-9787.1972.tb00284.x.