APA
Petrus de Alcántara, Hollings G., . (1978). A golden treatise of mental prayer. Chicago (Ill.): Franciscan Herald Press.
Chicago
Petrus de Alcántara, Hollings G.S, . 1978. A golden treatise of mental prayer. Chicago (Ill.): Franciscan Herald Press.
Harvard
Petrus de Alcántara, Hollings G., . (1978). A golden treatise of mental prayer. Chicago (Ill.): Franciscan Herald Press.
MLA
Petrus de Alcántara, Hollings G.S, . A golden treatise of mental prayer. Chicago (Ill.): Franciscan Herald Press. 1978.
TextSeries: Tau seriesPublication details: Chicago (Ill.) : Franciscan Herald Press, ©1978.Description: 179 p. ; 15 cmUniform titles: 
Opera (Magaz.)