APA (7th ed.) Citation

Walcott, C. D. (1898). Fossil medusae. Gov. Print. Off.

Chicago Style (17th ed.) Citation

Walcott, Charles Doolittle. Fossil Medusae. Washington: Gov. Print. Off, 1898.

MLA (9th ed.) Citation

Walcott, Charles Doolittle. Fossil Medusae. Gov. Print. Off, 1898.

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