APA (7th ed.) Citation

CLARK, A. H. Iceland and Greenland. The Smithsonian institution.

Chicago Style (17th ed.) Citation

CLARK, Austin H. Iceland and Greenland. The Smithsonian institution.

MLA (8th ed.) Citation

CLARK, Austin H. Iceland and Greenland. The Smithsonian institution.

Warning: These citations may not always be 100% accurate.