APA (7th ed.) Citation

Audio Learning, Inc, & Thomas, S. (1978). Agriculture. Audio Learning.

Chicago Style (17th ed.) Citation

Audio Learning, Inc, and Spencer Thomas. Agriculture. [London]: Audio Learning, 1978.

MLA (9th ed.) Citation

Audio Learning, Inc, and Spencer Thomas. Agriculture. Audio Learning, 1978.

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