APA (7th ed.) Citation

Heffner B. and etc... & B. Heffner and etc.. (1959). an introduction to literature. Houghton Mifflin company.

Chicago Style (17th ed.) Citation

Heffner B. and etc... and B. Heffner and etc.. An Introduction to Literature. Boston: Houghton Mifflin company, 1959.

MLA (8th ed.) Citation

Heffner B. and etc... and B. Heffner and etc.. An Introduction to Literature. Houghton Mifflin company, 1959.

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