Cita APA (7th ed.)

Greene, G. (1994). Blue skies, no candy (2a. ed.). Futura Publications.

Cita Chicago (17th ed.)

Greene, Gael. Blue Skies, No Candy. 2a. ed. Londres: Futura Publications, 1994.

Cita MLA (9th ed.)

Greene, Gael. Blue Skies, No Candy. 2a. ed. Futura Publications, 1994.