Παραπομπή APA

Gerlach, L. P., & Hine,Virginia H. (1973). Lifeway leap: The dyanmics of change in America. University of Minnesota.

Παραπομπή Chicago Style

Gerlach, Luther P., και Hine,Virginia H. Lifeway Leap: The Dyanmics of Change in America. Minneapolis: University of Minnesota, 1973.

Παραπομπή MLA

Gerlach, Luther P., και Hine,Virginia H. Lifeway Leap: The Dyanmics of Change in America. University of Minnesota, 1973.