APA引文

Davis, C. H. (1916). Painless childbirth: Eutocia and nitrous oxid-oxygen analgesia. Forbes & company.

Chicago Style (17th ed.) Citation

Davis, Carl Henry. Painless Childbirth: Eutocia and Nitrous Oxid-oxygen Analgesia. Chicago: Forbes & company, 1916.

MLA引文

Davis, Carl Henry. Painless Childbirth: Eutocia and Nitrous Oxid-oxygen Analgesia. Forbes & company, 1916.