APA (7th ed.) Citation

Encyclopaedia Britannica, Inc.,, & Leonard, M. (2020). Learn how mutations in the dna sequence of a gene can change a trait in a helpful or harmful way. Encyclopedia Britannica.

Chicago Style (17th ed.) Citation

Encyclopaedia Britannica, Inc.,, and Melinda Leonard. Learn How Mutations in the Dna Sequence of a Gene Can Change a Trait in a Helpful or Harmful Way. Chicago, IL: Encyclopedia Britannica, 2020.

MLA (9th ed.) Citation

Encyclopaedia Britannica, Inc.,, and Melinda Leonard. Learn How Mutations in the Dna Sequence of a Gene Can Change a Trait in a Helpful or Harmful Way. Encyclopedia Britannica, 2020.

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