Cita APA (7a ed.)

Kathleen Weidner Zoehfeld. (1994). What Lives in a Shell? (Let's-Read-and-Find-Out Science 1) (1.). HarperCollins.

Cita Chicago Style (17a ed.)

Kathleen Weidner Zoehfeld. What Lives in a Shell? (Let's-Read-and-Find-Out Science 1). 1. HarperCollins, 1994.

Cita MLA (9a ed.)

Kathleen Weidner Zoehfeld. What Lives in a Shell? (Let's-Read-and-Find-Out Science 1). 1. HarperCollins, 1994.