APA
Desmarais M. O., . (1968). Capsules of optimism. New York: Joseph F. Wagner, Inc., Publishers.
Chicago
Desmarais Marcel-M O.P, . 1968. Capsules of optimism. New York: Joseph F. Wagner, Inc., Publishers.
Harvard
Desmarais M. O., . (1968). Capsules of optimism. New York: Joseph F. Wagner, Inc., Publishers.
MLA
Desmarais Marcel-M O.P, . Capsules of optimism. New York: Joseph F. Wagner, Inc., Publishers. 1968.
