APA (7th ed.) Citation

Billings, M. L. (1937). Teaching abourt vocational life. International Textbook Co..

Chicago Style (17th ed.) Citation

Billings, Mildred Lincoln. Teaching Abourt Vocational Life. Scranton, Pa.: International Textbook Co., 1937.

MLA (9th ed.) Citation

Billings, Mildred Lincoln. Teaching Abourt Vocational Life. International Textbook Co., 1937.