APA (7th ed.) Citation

Melnyk, V. I. (2009). Darwin and Humbolgt. Jubilee essay.

Chicago Style (17th ed.) Citation

Melnyk, V. I. Darwin and Humbolgt. Jubilee Essay. 2009.

MLA (8th ed.) Citation

Melnyk, V. I. Darwin and Humbolgt. Jubilee Essay. 2009.

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