APA (7th ed.) Citation

Hartman, S. (1948). Vocational guidance in Poland. International Labour Organization.

Chicago Style (17th ed.) Citation

Hartman, Seweryn. Vocational Guidance in Poland. International Labour Organization, 1948.

MLA (9th ed.) Citation

Hartman, Seweryn. Vocational Guidance in Poland. International Labour Organization, 1948.

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