Cita APA (7a ed.)

Duck, E. F. (1995). The Williamson Standard for the Exception to the Rule against Hearsay for Statements against Penal Interest.

Cita Chicago Style (17a ed.)

Duck, Emily F. The Williamson Standard for the Exception to the Rule Against Hearsay for Statements Against Penal Interest. 1995.

Cita MLA (9a ed.)

Duck, Emily F. The Williamson Standard for the Exception to the Rule Against Hearsay for Statements Against Penal Interest. 1995.