Cita APA (7a ed.)

Sweeting, G. (1974). How to be a chalk artist (13ª ed.). Zondervan.

Cita Chicago Style (17a ed.)

Sweeting, George. How to Be a Chalk Artist. 13ª ed. Zondervan, 1974.

Cita MLA (9a ed.)

Sweeting, George. How to Be a Chalk Artist. 13ª ed. Zondervan, 1974.