APA Citation

Hopper, V. F. (1970). 1001 pitfalls in english grammar spelling and usage. New York: Barron's Educational Series.

Chicago Style Citation

Hopper, Vicent F. 1001 Pitfalls in English Grammar Spelling and Usage. New York: Barron's Educational Series, 1970.

MLA Citation

Hopper, Vicent F. 1001 Pitfalls in English Grammar Spelling and Usage. New York: Barron's Educational Series, 1970.

Warning: These citations may not always be 100% accurate.