APA引文

Meschkowski, H. (1966). Unsolved and unsolvable problems in geometry. F. Ungar Publishing.

Chicago Style (17th ed.) Citation

Meschkowski, Herbert. Unsolved and Unsolvable Problems in Geometry. New York: F. Ungar Publishing, 1966.

MLA引文

Meschkowski, Herbert. Unsolved and Unsolvable Problems in Geometry. F. Ungar Publishing, 1966.