Cita APA (7th ed.)

Clyde Robert Bulla. (1982). Daniel's Duck (I Can Read Level 3). HarperCollins.

Cita Chicago (17th ed.)

Clyde Robert Bulla. Daniel's Duck (I Can Read Level 3). HarperCollins, 1982.

Cita MLA (9th ed.)

Clyde Robert Bulla. Daniel's Duck (I Can Read Level 3). HarperCollins, 1982.

Atenció: Aquestes cites poden no estar 100% correctes.