Cita APA (7a ed.)

Alcala, A. (2008). Agusan River estuary development potential. Malaya.

Cita Chicago Style (17a ed.)

Alcala, Angel. "Agusan River Estuary Development Potential." Malaya 2008.

Cita MLA (9a ed.)

Alcala, Angel. "Agusan River Estuary Development Potential." Malaya, 2008.