Cita APA (7th ed.)

Guevara, R. M., & Tatoy, R. S. (2010). Police intelligence and secret service. Wiseman's Books Trading.

Cita Chicago (17th ed.)

Guevara, Ricardo M., i Rodolfo S. Tatoy. Police Intelligence and Secret Service. Quezon City: Wiseman's Books Trading, 2010.

Cita MLA (9th ed.)

Guevara, Ricardo M., i Rodolfo S. Tatoy. Police Intelligence and Secret Service. Wiseman's Books Trading, 2010.