Gaya APA

CRAGHEAD, J, J. (1963). A FIELD GUIDE TO ROCKY MOUNTAIN WILDFLOWERS . NEW HAVEN: HOUNGTON MIFFLIN COMPANY BOSTON.

Gaya MLA

CRAGHEAD, JOHN, J.. "A FIELD GUIDE TO ROCKY MOUNTAIN WILDFLOWERS". NEW HAVEN: HOUNGTON MIFFLIN COMPANY BOSTON, 1963. Book.