Cita APA (7th ed.)

Gernsheim, H. (1969). Lewis Carroll: Photograper. Dover Publications.

Cita Chicago (17th ed.)

Gernsheim, Helmut. Lewis Carroll: Photograper. Nueva York: Dover Publications, 1969.

Cita MLA (9th ed.)

Gernsheim, Helmut. Lewis Carroll: Photograper. Dover Publications, 1969.