APA ציטוט

Steele, J. D. (1869). Fourteen weeks in descriptive astronomy. A.S. Barnes & Co..

Chicago Style (17th ed.) Citation

Steele, Joel Dorman. Fourteen Weeks in Descriptive Astronomy. New York: A.S. Barnes & Co., 1869.

ציטוט MLA

Steele, Joel Dorman. Fourteen Weeks in Descriptive Astronomy. A.S. Barnes & Co., 1869.