APA (7th ed.) Citation

Humberd, C. D. (1937). Tycho Brahe's Island.

Chicago Style (17th ed.) Citation

Humberd, Charles D. Tycho Brahe's Island. Northfield, Minnesota, 1937.

MLA (9th ed.) Citation

Humberd, Charles D. Tycho Brahe's Island. 1937.

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