Cita APA (7a ed.)

Craig, G. S. (1946). Our world of science: Teacher's manual. Ginn.

Cita Chicago Style (17a ed.)

Craig, Gerald Spellman. Our World of Science: Teacher's Manual. Boston: Ginn, 1946.

Cita MLA (9a ed.)

Craig, Gerald Spellman. Our World of Science: Teacher's Manual. Ginn, 1946.