APA (7th ed.) Citation

Christiaens, A. G. (1923). Vocational guidance in Brussels. International Labour Organization.

Chicago Style (17th ed.) Citation

Christiaens, A. G. Vocational Guidance in Brussels. International Labour Organization, 1923.

MLA (9th ed.) Citation

Christiaens, A. G. Vocational Guidance in Brussels. International Labour Organization, 1923.

Warning: These citations may not always be 100% accurate.