Cita APA (7a ed.)
Julian, J. (1989). Fourth-generation languages: The new law enforcement “combat masterpiece”. Police Chief, 56, 41-43.
Cita Chicago Style (17a ed.)
Julian, Jay. "Fourth-generation Languages: The New Law Enforcement “combat Masterpiece”." Police Chief 56 (1989): 41-43.
Cita MLA (9a ed.)
Julian, Jay. "Fourth-generation Languages: The New Law Enforcement “combat Masterpiece”." Police Chief, vol. 56, 1989, pp. 41-43.
Precaución: Estas citas no son 100% exactas.