APA (7th ed.) Citation

Sims, G. (1972). The sand dollar. Penguin.

Chicago Style (17th ed.) Citation

Sims, George. The Sand Dollar. Harmondsworth: Penguin, 1972.

MLA (9th ed.) Citation

Sims, George. The Sand Dollar. Penguin, 1972.

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