APA način citiranja

Boas, E. P. (1954). Geriatric Medicine. Medical Care of Later Maturity.

Čikaški stil citiranja

Boas, Ernst P. Geriatric Medicine. Medical Care of Later Maturity. 1954.

MLA način citiranja

Boas, Ernst P. Geriatric Medicine. Medical Care of Later Maturity. 1954.

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