APA (7th ed.) Citation

Dixson, R. J., & Boggs, R. S. Sound teaching a laboratory manual of American english.

Chicago Style (17th ed.) Citation

Dixson, Robert J., and Ralph S. Boggs. Sound Teaching a Laboratory Manual of American English.

MLA (8th ed.) Citation

Dixson, Robert J., and Ralph S. Boggs. Sound Teaching a Laboratory Manual of American English.

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