APA-viite (7. p.)

Barnard, H. (1906). Pestalozzi and his educational system. C. W. Bardeen.

Chicago-viite (17. p.)

Barnard, Henry. Pestalozzi and His Educational System. Syracuse, N.Y.: C. W. Bardeen, 1906.

MLA-viite (8. p.)

Barnard, Henry. Pestalozzi and His Educational System. C. W. Bardeen, 1906.