Cita APA

Barril, C., Madamba, L., & Tumlos, E. (1994). Water quality of Laguna de Bay: Status and trends.

Citación estilo Chicago

Barril, C.R, L.S.P Madamba, and E.T Tumlos. Water Quality of Laguna De Bay: Status and Trends. 1994.

Cita MLA

Barril, C.R, et al. Water Quality of Laguna De Bay: Status and Trends. 1994.