APA (7th ed.) Citation

Villanueva, R. O., Brown, L. B., Bautista, F. D. L. A., & Silvestre, M. A. (1991). Sina Elephas at Estegodon noong unang panahon. Cacho Publishing House, Inc.

Chicago Style (17th ed.) Citation

Villanueva, Rene O., Lydia B. Brown, Feny De Los Angeles Bautista, and Mel A. Silvestre. Sina Elephas at Estegodon Noong Unang Panahon. Mandaluyong, Metro Manila: Cacho Publishing House, Inc, 1991.

MLA (9th ed.) Citation

Villanueva, Rene O., et al. Sina Elephas at Estegodon Noong Unang Panahon. Cacho Publishing House, Inc, 1991.