(1951). Dr W. Hovanitz's study of Colias butterflies in arctic and sub-arctic North America, 1947 and 1948. Polar Record, 6(41), 92.
Chicago Style (17th ed.) Citation"Dr W. Hovanitz's Study of Colias Butterflies in Arctic and Sub-arctic North America, 1947 and 1948." Polar Record 6, no. 41 (1951): 92.
MLA (9th ed.) Citation"Dr W. Hovanitz's Study of Colias Butterflies in Arctic and Sub-arctic North America, 1947 and 1948." Polar Record, vol. 6, no. 41, 1951, p. 92.
Warning: These citations may not always be 100% accurate.