APA-Zitierstil (7. Ausg.)

Harper, H. (1929). Twenty-five Years of flying: Impressions, recollections and descriptions. Hutchinson.

Chicago-Zitierstil (17. Ausg.)

Harper, Harry. Twenty-five Years of Flying: Impressions, Recollections and Descriptions. London: Hutchinson, 1929.

MLA-Zitierstil (9. Ausg.)

Harper, Harry. Twenty-five Years of Flying: Impressions, Recollections and Descriptions. Hutchinson, 1929.