Cita APA (7a ed.)

Olson, S. (2001). Welcome to my planet: Where English is sometimes spoken. Penguin Books.

Cita Chicago Style (17a ed.)

Olson, Shannon. Welcome to My Planet: Where English Is Sometimes Spoken. London [etc.]: Penguin Books, 2001.

Cita MLA (9a ed.)

Olson, Shannon. Welcome to My Planet: Where English Is Sometimes Spoken. Penguin Books, 2001.