APA (7th ed.) Citation

Johnstone, K. Y. (1970). Collecting seashells. Grosset & Dunlap.

Chicago Style (17th ed.) Citation

Johnstone, Kathleen Yerger. Collecting Seashells. New York: Grosset & Dunlap, 1970.

MLA (9th ed.) Citation

Johnstone, Kathleen Yerger. Collecting Seashells. Grosset & Dunlap, 1970.

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