APA

Hedberg O., . (1958). Systematics of to-day : proceedings of a symposium held at the University of Uppsala in commemoration of the 250th. anniversary of the birth of Carolus Linnaeus. Uppsala: Lundequistska Bokhandeln.

Chicago

Hedberg Olov, . 1958. Systematics of to-day : proceedings of a symposium held at the University of Uppsala in commemoration of the 250th. anniversary of the birth of Carolus Linnaeus. Uppsala: Lundequistska Bokhandeln.

Harvard

Hedberg O., . (1958). Systematics of to-day : proceedings of a symposium held at the University of Uppsala in commemoration of the 250th. anniversary of the birth of Carolus Linnaeus. Uppsala: Lundequistska Bokhandeln.

MLA

Hedberg Olov, . Systematics of to-day : proceedings of a symposium held at the University of Uppsala in commemoration of the 250th. anniversary of the birth of Carolus Linnaeus. Uppsala: Lundequistska Bokhandeln. 1958.