APA (7th ed.) Citation

Villarin, I., Zulueta, M. J., Hong, F. L., & Luis, P. C. (1993). St. Paul Ecological Conservation Center.

Chicago Style (17th ed.) Citation

Villarin, Ignacio, Mary Joann Zulueta, Froilan L. Hong, and Prosperidad C. Luis. St. Paul Ecological Conservation Center. 1993.

MLA (9th ed.) Citation

Villarin, Ignacio, et al. St. Paul Ecological Conservation Center. 1993.