Cita APA (7a ed.)

Estes, W. K. (1955). Statistical theory of spontaneous recovery and regression. [s.n.].

Cita Chicago Style (17a ed.)

Estes, William K. Statistical Theory of Spontaneous Recovery and Regression. [S.l.]: [s.n.], 1955.

Cita MLA (9a ed.)

Estes, William K. Statistical Theory of Spontaneous Recovery and Regression. [s.n.], 1955.