APA引文

Marshak, S., & Prothero, D. R. Earth: Portrait of a planet.

Chicago Style (17th ed.) Citation

Marshak, Stephen, and Donald R. Prothero. Earth: Portrait of a Planet.

MLA引文

Marshak, Stephen, and Donald R. Prothero. Earth: Portrait of a Planet.

警告：這些引文格式不一定是100％准確.