(1934-06-14). pr000906: De Siameesche tweeling. Koekoek 4(1934)07.
Chicago Style (17th ed.) Citation"Pr000906: De Siameesche Tweeling." Koekoek 4(1934)07 1934-06-14.
MLA (8th ed.) Citation"Pr000906: De Siameesche Tweeling." Koekoek 4(1934)07, 1934-06-14.
Warning: These citations may not always be 100% accurate.