APA (7th ed.) Citation

(1990). Earth and its features (Authorized english language ed. (Asia).). Time-Life Asia.

Chicago Style (17th ed.) Citation

Earth and Its Features. Authorized english language ed. (Asia). Hongkong: Time-Life Asia, 1990.

MLA (9th ed.) Citation

Earth and Its Features. Authorized english language ed. (Asia). Time-Life Asia, 1990.

Warning: These citations may not always be 100% accurate.