Παραπομπή σε μορφή APA (7η εκδ.)

Tondorf, F. A. (1920). Anniversary tribute to George Martin Kober: In celebration of his seventieth birthday by his friends and associates, March 28, 1920.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Tondorf, Francis A. Anniversary Tribute to George Martin Kober: In Celebration of His Seventieth Birthday by His Friends and Associates, March 28, 1920. Washington, D.C, 1920.

Παραπομπή σε μορφή MLA (8th εκδ.)

Tondorf, Francis A. Anniversary Tribute to George Martin Kober: In Celebration of His Seventieth Birthday by His Friends and Associates, March 28, 1920. 1920.