APA

Steere W. C., .Bryophyta of arctic America. VI. a collection from Prince Patrick island. : .

Chicago

Steere William Campbell, .Bryophyta of arctic America. VI. a collection from Prince Patrick island. : .

Harvard

Steere W. C., .Bryophyta of arctic America. VI. a collection from Prince Patrick island. : .

MLA

Steere William Campbell, .: . .