Παραπομπή σε μορφή APA (7η εκδ.)

Keen, W. W. (1874). A sketch of the early history of practical anatomy: The introductory address to the course of lectures on anatomy at the Philadelphia School of Anatomy. Tuesday October 6, 1874. J.B. Lippincott & Co..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Keen, William W. A Sketch of the Early History of Practical Anatomy: The Introductory Address to the Course of Lectures on Anatomy at the Philadelphia School of Anatomy. Tuesday October 6, 1874. Philadelphia: J.B. Lippincott & Co., 1874.

Παραπομπή σε μορφή MLA (8th εκδ.)

Keen, William W. A Sketch of the Early History of Practical Anatomy: The Introductory Address to the Course of Lectures on Anatomy at the Philadelphia School of Anatomy. Tuesday October 6, 1874. J.B. Lippincott & Co., 1874.