Burton, V. L. (1967). Mike Mulligan and his steam shovel: Story and pictures. Houghton Mifflin.
Cita Chicago Style (17a ed.)Burton, Virginia Lee. Mike Mulligan and His Steam Shovel: Story and Pictures. Boston: Houghton Mifflin, 1967.
Cita MLA (8a ed.)Burton, Virginia Lee. Mike Mulligan and His Steam Shovel: Story and Pictures. Houghton Mifflin, 1967.
Precaución: Estas citas no son 100% exactas.