APA (7th ed.) Citation

Friend, H. R. (1891). On some new Irish earth-worms.

Chicago Style (17th ed.) Citation

Friend, Hilderic Rev. On Some New Irish Earth-worms. 1891.

MLA (9th ed.) Citation

Friend, Hilderic Rev. On Some New Irish Earth-worms. 1891.

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