Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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