एपीए उद्धरण

Keen, O. W., & Hancock, K. (1958). London union list of periodicals: Holdings of the municipal and county libraries of Greater London. (2nd ed.).

शिकागो स्टाइल उद्धरण

Keen, Owen W., और Kathleen Hancock. London Union List of Periodicals: Holdings of the Municipal and County Libraries of Greater London. 2nd ed. 1958.

एमएलए उद्धरण

Keen, Owen W., और Kathleen Hancock. London Union List of Periodicals: Holdings of the Municipal and County Libraries of Greater London. 2nd ed. 1958.