APA-viite (7. p.)

Hildreth, G. H. (1936). Learning the three R's: A modern interpretation. Educational Publishers.

Chicago-viite (17. p.)

Hildreth, Gertrude Howell. Learning the Three R's: A Modern Interpretation. Minneapolis, Minn.: Educational Publishers, 1936.

MLA-viite (8. p.)

Hildreth, Gertrude Howell. Learning the Three R's: A Modern Interpretation. Educational Publishers, 1936.