Brief guide to government publications
MLA
Cowell, Frank Richard. Brief Guide to Government Publications. London [etc]: H. M. Stationery off, 1938
APA, 7th edition
Cowell, F. Richard. (1938). Brief guide to government publications. London [etc]: H. M. Stationery off
Chicago, 17th edition
Cowell, Frank Richard. Brief guide to government publications. London [etc]: H. M. Stationery off, 1938