APA Style
Guzman, Ruth. (2018).
Environmental Science Towards a Sustainable Earth .
Davao City:
VIBAL.
Chicago Style
Guzman, Ruth.
Environmental Science Towards a Sustainable Earth.
Davao City:
VIBAL,
2018.
Text.
MLA Style
Guzman, Ruth.
Environmental Science Towards a Sustainable Earth.
Davao City:
VIBAL,
2018.
Text.
Turabian Style
Guzman, Ruth.
Environmental Science Towards a Sustainable Earth.
Davao City:
VIBAL,
2018.
Print.