Cita APA (7a ed.)

Newhall, C. (2021). Volcanic Risk Mitigation that Could Have Been Derailed but Wasn’t: Pinatubo, Philippines 1991. Frontiers Media S.A.

Cita Chicago Style (17a ed.)

Newhall, Chris. Volcanic Risk Mitigation That Could Have Been Derailed but Wasn’t: Pinatubo, Philippines 1991. Frontiers Media S.A, 2021.

Cita MLA (8a ed.)

Newhall, Chris. Volcanic Risk Mitigation That Could Have Been Derailed but Wasn’t: Pinatubo, Philippines 1991. Frontiers Media S.A, 2021.