APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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