APA (7th ed.) Citation

Johnstone, K. Y. (1957). Sea treasure: A guide to shell collecting. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Johnstone, Kathleen Yerger. Sea Treasure: A Guide to Shell Collecting. Boston: Houghton Mifflin, 1957.

MLA (9th ed.) Citation

Johnstone, Kathleen Yerger. Sea Treasure: A Guide to Shell Collecting. Houghton Mifflin, 1957.

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