APA

Ehrlich E., . (1992). Schaum's outline of theory and problems of punctuation, capitalization, and spelling. New York: McGraw-Hill.

Chicago

Ehrlich E, . 1992. Schaum's outline of theory and problems of punctuation, capitalization, and spelling. New York: McGraw-Hill.

Harvard

Ehrlich E., . (1992). Schaum's outline of theory and problems of punctuation, capitalization, and spelling. New York: McGraw-Hill.

MLA

Ehrlich E, . Schaum's outline of theory and problems of punctuation, capitalization, and spelling. New York: McGraw-Hill. 1992.