APA引文

Hoff, S. (1959). Sammy, the seal. Harper.

Chicago Style (17th ed.) Citation

Hoff, Syd. Sammy, the Seal. New York: Harper, 1959.

MLA引文

Hoff, Syd. Sammy, the Seal. Harper, 1959.

警告：這些引文格式不一定是100％准確.