APA (7th ed.) Citation

Salter, J. W. A monograph of British Trilobites from the Cambrian, Silurian, and Devonian formations.

Chicago Style (17th ed.) Citation

Salter, John William. A Monograph of British Trilobites from the Cambrian, Silurian, and Devonian Formations.

MLA (9th ed.) Citation

Salter, John William. A Monograph of British Trilobites from the Cambrian, Silurian, and Devonian Formations.

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