APA (7th ed.) Citation

Holbrook, H. L., & McGregor, A. L. (1930). Our world of education. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Holbrook, Harold Lyman, and A. Laura McGregor. Our World of Education. Boston, New York [etc.]: Allyn and Bacon, 1930.

MLA (9th ed.) Citation

Holbrook, Harold Lyman, and A. Laura McGregor. Our World of Education. Allyn and Bacon, 1930.