APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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