Cita APA (7a ed.)

Clark, E. (2019). Key Government Reports. Volume 39. Nova Science Publishers, Incorporated.

Cita Chicago Style (17a ed.)

Clark, Ernest. Key Government Reports. Volume 39. New York: Nova Science Publishers, Incorporated, 2019.

Cita MLA (8a ed.)

Clark, Ernest. Key Government Reports. Volume 39. Nova Science Publishers, Incorporated, 2019.