Cita APA (7th ed.)

Duplex, M. (1990). Mystery on colton`s island. Pacific Press.

Cita Chicago (17th ed.)

Duplex, Mary. Mystery on Colton`s Island. Boise, ID: Pacific Press, 1990.

Cita MLA (9th ed.)

Duplex, Mary. Mystery on Colton`s Island. Pacific Press, 1990.