APA (7th ed.) Citation

Scharff, R. F. (1898). The land mollusca of the Great Skellig.

Chicago Style (17th ed.) Citation

Scharff, R. F. The Land Mollusca of the Great Skellig. 1898.

MLA (9th ed.) Citation

Scharff, R. F. The Land Mollusca of the Great Skellig. 1898.

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