APA

Whipple F. L., . (1938). Meteors and the Earth's upper atmosphere. U.S.A: Harvard College Observatory.

Chicago

Whipple Fred L, . 1938. Meteors and the Earth's upper atmosphere. U.S.A: Harvard College Observatory.

Harvard

Whipple F. L., . (1938). Meteors and the Earth's upper atmosphere. U.S.A: Harvard College Observatory.

MLA

Whipple Fred L, . Meteors and the Earth's upper atmosphere. U.S.A: Harvard College Observatory. 1938.