APA引文

Mittleman, t. o. t. r. b. D. E. N. (198). An outline of american geography. s.n..

Chicago Style (17th ed.) Citation

Mittleman, text of this revised by Dr. Earl N. An Outline of American Geography. s.n., 198.

MLA引文

Mittleman, text of this revised by Dr. Earl N. An Outline of American Geography. s.n., 198.