APA引文

Malone, D. (2020). Foreword by David Malone. Landslides.

Citação norma Chicago

Malone, David. "Foreword By David Malone." Landslides 2020.

MLA引文

Malone, David. "Foreword By David Malone." Landslides 2020.

警告：這些引文格式不一定是100％准確.