Cita APA (7a ed.)

Tryon, L. (1999). Albert's birthday. Atheneum Books for Young Readers.

Cita Chicago Style (17a ed.)

Tryon, Leslie. Albert's Birthday. New York: Atheneum Books for Young Readers, 1999.

Cita MLA (8a ed.)

Tryon, Leslie. Albert's Birthday. Atheneum Books for Young Readers, 1999.

Precaución: Estas citas no son 100% exactas.