APA Edition Citation

Obruchev, V., David Myshne, & Persy Ludwick. Fundamentals of geology: Popular outline. Foriegn Languages Publishing House.

Chicago Edition Citation

Obruchev, V., David Myshne, and Persy Ludwick. Fundamentals of Geology: Popular Outline. Moscow: Foriegn Languages Publishing House.

MLA Edition Citation

Obruchev, V., et al. Fundamentals of Geology: Popular Outline. Foriegn Languages Publishing House.