Cita APA (7a ed.)
Schmidt, H. (2000). PK tests in a pre-sleep state. Journal of Parapsychology, 64(3), 317-332.
Cita Chicago Style (17a ed.)
Schmidt, Helmut. "PK Tests in a Pre-sleep State." Journal of Parapsychology 64, no. 3 (2000): 317-332.
Cita MLA (9a ed.)
Schmidt, Helmut. "PK Tests in a Pre-sleep State." Journal of Parapsychology, vol. 64, no. 3, 2000, pp. 317-332.
Precaución: Estas citas no son 100% exactas.