Παραπομπή σε μορφή APA (7η εκδ.)

Harrower, H. R. (1921). Essays on the internal secretions, 1920: Comprising the winning contributions, with some others, to the first "Harrower prize essay contest.". The Harrower Laboratory.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Harrower, Henry R. Essays on the Internal Secretions, 1920: Comprising the Winning Contributions, with Some Others, to the First "Harrower Prize Essay Contest.". Glendale, Calif.: The Harrower Laboratory, 1921.

Παραπομπή σε μορφή MLA (8th εκδ.)

Harrower, Henry R. Essays on the Internal Secretions, 1920: Comprising the Winning Contributions, with Some Others, to the First "Harrower Prize Essay Contest.". The Harrower Laboratory, 1921.