APA ציטוט

American Foundation for Continuing Education. (1963). Exploring the universe. McGraw-Hill Book Co., Inc.

Chicago Style (17th ed.) Citation

American Foundation for Continuing Education. Exploring the Universe. New York: McGraw-Hill Book Co., Inc, 1963.

ציטוט MLA

American Foundation for Continuing Education. Exploring the Universe. McGraw-Hill Book Co., Inc, 1963.