APA Style

Guzman, R, S., Genuino, R, M, G. (2018). Environmental Science: Towards a sustainable earth . Quezon City, Philippines: Vibal Group, Inc..

MLA Style

Guzman, Ruth, S.., Genuino, Ruth, Marian, Guzman. "Environmental Science: Towards a sustainable earth". Quezon City, Philippines: Vibal Group, Inc., 2018. Text.