APA引文

Spemann, H. (1962). Embryonic development and induction.

Chicago Edition Citation

Spemann, Hans. Embryonic Development and Induction. Hafner Publishing Company, New York, 1962.

MLA引文

Spemann, Hans. Embryonic Development and Induction. 1962.

警告：這些引文格式不一定是100％准確.