APA (7th ed.) Citation
Griffiths, M. (1983). What on earth are you doing: Jesus' call to world mission. Baker Book House.
Chicago Style (17th ed.) Citation
Griffiths, Michael. What on Earth Are You Doing: Jesus' Call to World Mission. Michigan: Baker Book House, 1983.
MLA (9th ed.) Citation
Griffiths, Michael. What on Earth Are You Doing: Jesus' Call to World Mission. Baker Book House, 1983.
Warning: These citations may not always be 100% accurate.