Citazione Stile APA (7a Edizione)

Wendy Pfeffer. (2012). From Seed to Pumpkin (Let's-Read-and-Find-Out Science 1) (1.). HarperCollins.

Citazione stile Chigago Style (17a edizione)

Wendy Pfeffer. From Seed to Pumpkin (Let's-Read-and-Find-Out Science 1). 1. HarperCollins, 2012.

Citatione MLA (9a ed.)

Wendy Pfeffer. From Seed to Pumpkin (Let's-Read-and-Find-Out Science 1). 1. HarperCollins, 2012.