APA (7e ed.) Bronvermelding
Orchard, W. E. (1930). Prayer, its philosophy, practice and power. Harper & Brothers Publishers.
Chicago (17e ed.) Bronvermelding
Orchard, W. Edwin. Prayer, Its Philosophy, Practice and Power. New York: Harper & Brothers Publishers, 1930.
MLA (9e ed.) Bronvermelding
Orchard, W. Edwin. Prayer, Its Philosophy, Practice and Power. Harper & Brothers Publishers, 1930.
Let op: Deze citaties zijn niet altijd 100% accuraat.