APA (7th ed.) Citation

Walcott, C. D. Cambrian Brachiopoda: Obolella, subgenus Glyptias; Bicia; Obolus, subgenus Westonia; with descriptions of new species.

Chicago Style (17th ed.) Citation

Walcott, Charles D. Cambrian Brachiopoda: Obolella, Subgenus Glyptias; Bicia; Obolus, Subgenus Westonia; with Descriptions of New Species.

MLA (9th ed.) Citation

Walcott, Charles D. Cambrian Brachiopoda: Obolella, Subgenus Glyptias; Bicia; Obolus, Subgenus Westonia; with Descriptions of New Species.

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