Man or Matter : Introduction to a Spiritual Understanding of Nature on the Basis of Goethe's Method of Training Observation and Thought

MLA

Lehrs, Ernst. Man or Matter : Introduction to a Spiritual Understanding of Nature on the Basis of Goethe's Method of Training Observation and Thought. Salt Lake City, UT : Project Gutenberg,

APA

Lehrs, E. Man or Matter : Introduction to a Spiritual Understanding of Nature on the Basis of Goethe's Method of Training Observation and Thought. Salt Lake City, UT : Project Gutenberg.

Chicago

Lehrs, Ernst. Man or Matter : Introduction to a Spiritual Understanding of Nature on the Basis of Goethe's Method of Training Observation and Thought. Salt Lake City, UT : Project Gutenberg,