Cita APA (7a ed.)
O'Brien, L. G. (1987). User control versus randomisation in geographical probability sampling: A compromise solution using controlled sampling. Environment & Planning A, 19, 949-959.
Cita Chicago Style (17a ed.)
O'Brien, L. G. "User Control Versus Randomisation in Geographical Probability Sampling: A Compromise Solution Using Controlled Sampling." Environment & Planning A 19 (1987): 949-959.
Cita MLA (9a ed.)
O'Brien, L. G. "User Control Versus Randomisation in Geographical Probability Sampling: A Compromise Solution Using Controlled Sampling." Environment & Planning A, vol. 19, 1987, pp. 949-959.
Precaución: Estas citas no son 100% exactas.