Citazione APA

Owens, R. S., & Rehtus, S. (1942). My silent teacher for fourth grade spelling. The Universit of Nebraska.

Stile di citazione Chicago

Owens, Ruby Stewart, e Sara Rehtus. My Silent Teacher for Fourth Grade Spelling. Lincoln: The Universit of Nebraska, 1942.

Citazione MLA

Owens, Ruby Stewart, e Sara Rehtus. My Silent Teacher for Fourth Grade Spelling. The Universit of Nebraska, 1942.