Παραπομπή APA

Sager, R., & Ryan, F. J. (1961). Cell heredity. Ruth sagar.

Παραπομπή Chicago Style

Sager, Ruth, και Francis J. Ryan. Cell Heredity. London: Ruth sagar, 1961.

Παραπομπή MLA

Sager, Ruth, και Francis J. Ryan. Cell Heredity. Ruth sagar, 1961.