APA

Heie O. E., . (1954). Studies of the overwintering of Myzus persicae Sulzer in Denmark and the occurrence of this aphid in beet fields. København: Akad. for de Tekniske Videnskaber : Gad [in Kommm.].

Chicago

Heie Ole E, . 1954. Studies of the overwintering of Myzus persicae Sulzer in Denmark and the occurrence of this aphid in beet fields. København: Akad. for de Tekniske Videnskaber : Gad [in Kommm.].

Harvard

Heie O. E., . (1954). Studies of the overwintering of Myzus persicae Sulzer in Denmark and the occurrence of this aphid in beet fields. København: Akad. for de Tekniske Videnskaber : Gad [in Kommm.].

MLA

Heie Ole E, . Studies of the overwintering of Myzus persicae Sulzer in Denmark and the occurrence of this aphid in beet fields. København: Akad. for de Tekniske Videnskaber : Gad [in Kommm.]. 1954.