APA ציטוט

Guth, H. P. (1969). Essay (Second edition.). Belmont, California: Wadsworth Publishing Company.

Trích dẫn kiểu Chicago

Guth, Hans P. Essay. Second edition. Belmont, California: Wadsworth Publishing Company, 1969.

ציטוט MLA

Guth, Hans P. Essay. Second edition. Belmont, California: Wadsworth Publishing Company, 1969.