Cita APA (7a ed.)

Government Service Insurance System (GSIS). (2011). GSIS art competition: 2011. [Government Service Insurance System].

Cita Chicago Style (17a ed.)

Government Service Insurance System (GSIS). GSIS Art Competition: 2011. [Pasay City]: [Government Service Insurance System], 2011.

Cita MLA (9a ed.)

Government Service Insurance System (GSIS). GSIS Art Competition: 2011. [Government Service Insurance System], 2011.