APA
Gromacki R. G., . (1972). The modern tongues movement. Philadelphia: Presbyterian and Reformed Pub. Co.
Chicago
Gromacki Robert Glenn, . 1972. The modern tongues movement. Philadelphia: Presbyterian and Reformed Pub. Co.
Harvard
Gromacki R. G., . (1972). The modern tongues movement. Philadelphia: Presbyterian and Reformed Pub. Co.
MLA
Gromacki Robert Glenn, . The modern tongues movement. Philadelphia: Presbyterian and Reformed Pub. Co. 1972.