APA (7th ed.) Citation

Udden, J. A. Fossil Ice Crystals: An Instance of the Practical Value of "Pure Science".

Chicago Style (17th ed.) Citation

Udden, Johan August. Fossil Ice Crystals: An Instance of the Practical Value of "Pure Science".

MLA (9th ed.) Citation

Udden, Johan August. Fossil Ice Crystals: An Instance of the Practical Value of "Pure Science".

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