Cita APA (7th ed.)

Foerster, V. E. (1978). Worlds on Worlds: Journalistic writing. Prentice Hall, Inc.

Cita Chicago (17th ed.)

Foerster, Valerie E. Worlds on Worlds: Journalistic Writing. Englewood Cliffs, New Jersey: Prentice Hall, Inc, 1978.

Cita MLA (9th ed.)

Foerster, Valerie E. Worlds on Worlds: Journalistic Writing. Prentice Hall, Inc, 1978.