APA (7th ed.) Citation

Hidalgo, F., & Laforge, M. Tierra urgente.

Chicago Style (17th ed.) Citation

Hidalgo, Francisco, and Michel Laforge. Tierra Urgente.

MLA (8th ed.) Citation

Hidalgo, Francisco, and Michel Laforge. Tierra Urgente.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.