APA
Kittler G. D., . (1967). The wings of eagles: Portraits of six great Catholics of the 20th century. Garden City: A Division of Doubleday and Co., Inc.
Chicago
Kittler Glenn D, . 1967. The wings of eagles: Portraits of six great Catholics of the 20th century. Garden City: A Division of Doubleday and Co., Inc.
Harvard
Kittler G. D., . (1967). The wings of eagles: Portraits of six great Catholics of the 20th century. Garden City: A Division of Doubleday and Co., Inc.
MLA
Kittler Glenn D, . The wings of eagles: Portraits of six great Catholics of the 20th century. Garden City: A Division of Doubleday and Co., Inc. 1967.
