APA
Schmitt F., . (1970). Getting along with difficult people. Philadelphia: Fortress Press.
Chicago
Schmitt Friedrich, . 1970. Getting along with difficult people. Philadelphia: Fortress Press.
Harvard
Schmitt F., . (1970). Getting along with difficult people. Philadelphia: Fortress Press.
MLA
Schmitt Friedrich, . Getting along with difficult people. Philadelphia: Fortress Press. 1970.