APA (7th ed.) Citation

Ng, C. L., Uy, J. E., Santaromana, F. X. L., & Silvestre, J. D. A. (1999). Mt. Kanumay National Astronomical Observatory and Exploratorium.

Chicago Style (17th ed.) Citation

Ng, Charles L., Jonie E. Uy, Francis Xavier L. Santaromana, and Jose Danilo A. Silvestre. Mt. Kanumay National Astronomical Observatory and Exploratorium. 1999.

MLA (9th ed.) Citation

Ng, Charles L., et al. Mt. Kanumay National Astronomical Observatory and Exploratorium. 1999.