Παραπομπή σε μορφή APA (7η εκδ.)

Tower, G. B. N. (1874). Instructions on modern American bridge building: With practical applications and examples, estimates of quantities, and valuable tables. A. Williams.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Tower, George Bates Nichols. Instructions on Modern American Bridge Building: With Practical Applications and Examples, Estimates of Quantities, and Valuable Tables. Boston: A. Williams, 1874.

Παραπομπή σε μορφή MLA (8th εκδ.)

Tower, George Bates Nichols. Instructions on Modern American Bridge Building: With Practical Applications and Examples, Estimates of Quantities, and Valuable Tables. A. Williams, 1874.