APA (7th ed.) Citation

Medina, N., & Putra, D. (2023). What was World War I? Penguin Workshop.

Chicago Style (17th ed.) Citation

Medina, Nico, and Dede Putra. What Was World War I? New York: Penguin Workshop, 2023.

MLA (8th ed.) Citation

Medina, Nico, and Dede Putra. What Was World War I? Penguin Workshop, 2023.

Warning: These citations may not always be 100% accurate.