54:34 Which quote from Russell Freedman’s Immigrant Kids uses the correct form of a citation?

“Others had to make the journey in stages. Often the father came first, found work, and then sent for his family later” (Freedman 6).
“Others had to make the journey in stages. Often the father came first, found work, and then sent for his family later” (Immigrant Kids, 6).
“Others had to make the journey in stages. Often the father came first, found work, and then sent for his family later” (Immigrant Kids 6).
“Others had to make the journey in stages. Often the father came first, found work, and then sent for his family later” (Freedman, p. 6).