APA Style

ENGELN, O.D. VON. (1786). GEOMORPHOLOGY, SYSTEMATIC AND REGIONAL . NEW YORK: THOMSON.

Chicago Style

ENGELN, O.D. VON. GEOMORPHOLOGY, SYSTEMATIC AND REGIONAL. NEW YORK: THOMSON, 1786. Text.

MLA Style

ENGELN, O.D. VON. GEOMORPHOLOGY, SYSTEMATIC AND REGIONAL. NEW YORK: THOMSON, 1786. Text.

Turabian Style

ENGELN, O.D. VON. GEOMORPHOLOGY, SYSTEMATIC AND REGIONAL. NEW YORK: THOMSON, 1786. Print.