APA način citiranja (7. izdanje)
O'Geran, G., & Riggs, H. E. (1931). A History of the Detroit street railways: With an introd. by Henry E. Riggs. Conover Pr.
Čikaški stil citiranja (17. izdanje)
O'Geran, Graeme, i Henry E. Riggs. A History of the Detroit Street Railways: With an Introd. by Henry E. Riggs. Detroit, Mich: Conover Pr, 1931.
MLA način citiranja (9. izdanje)
O'Geran, Graeme, i Henry E. Riggs. A History of the Detroit Street Railways: With an Introd. by Henry E. Riggs. Conover Pr, 1931.
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