Hirsch, N. D. M. (1930). Twins. Harvard Univ. Pr.
Chicago Style (17th ed.) CitationHirsch, Nathaniel David Mttron. Twins. Cambridge: Harvard Univ. Pr, 1930.
MLA (9th ed.) CitationHirsch, Nathaniel David Mttron. Twins. Harvard Univ. Pr, 1930.
Warning: These citations may not always be 100% accurate.