Franklin

MLA

Billstein, Arthur E. F. Signal Construction of a Modern Railroad Receiving and Classification Yard. .

APA

Billstein, A. E. F. Signal construction of a modern railroad receiving and classification yard. .

Chicago

Billstein, Arthur E. F. Signal Construction of a Modern Railroad Receiving and Classification Yard. Thesis (B.S. in Electrical Engineering) -- University of Pennsylvania, 1923..