Cita APA (7a ed.)

Stein, G., & Messerli, D. (1995). How to write. Sun & Moon.

Cita Chicago Style (17a ed.)

Stein, Gertrude, y Douglas Messerli. How to Write. Los Angeles: Sun & Moon, 1995.

Cita MLA (9a ed.)

Stein, Gertrude, y Douglas Messerli. How to Write. Sun & Moon, 1995.