APA Edition Citation

Obruchev V. Fundamentals of geology: Popular outline. Foreign Languages P. House.

Chicago Edition Citation

Obruchev V. Fundamentals of Geology: Popular Outline. Moscow: Foreign Languages P. House.

MLA Edition Citation

Obruchev V. Fundamentals of Geology: Popular Outline. Foreign Languages P. House.

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