Cita APA (7a ed.)

Steilberg, B. J. (1975). Conscious concentration versus visualization in PK tests. [s.n.].

Cita Chicago Style (17a ed.)

Steilberg, Bjorn J. Conscious Concentration Versus Visualization in PK Tests. [S.l.]: [s.n.], 1975.

Cita MLA (9a ed.)

Steilberg, Bjorn J. Conscious Concentration Versus Visualization in PK Tests. [s.n.], 1975.