Cita APA (7a ed.)

Judy Hawes. (2000). Why Frogs Are Wet (Let's-Read-and-Find-Out Science 2). HarperCollins.

Cita Chicago Style (17a ed.)

Judy Hawes. Why Frogs Are Wet (Let's-Read-and-Find-Out Science 2). HarperCollins, 2000.

Cita MLA (9a ed.)

Judy Hawes. Why Frogs Are Wet (Let's-Read-and-Find-Out Science 2). HarperCollins, 2000.