APA (7th ed.) Citation

Wald, G., & Wald, G. . ,. . . a. (1966). Twenty-six afternoons of biology: An introductory laboratory manual, (2nd ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Wald, George, and George ,,,,,[et al.] Wald. Twenty-six Afternoons of Biology: An Introductory Laboratory Manual,. 2nd ed. Reading, Mass: Addison-Wesley, 1966.

MLA (9th ed.) Citation

Wald, George, and George ,,,,,[et al.] Wald. Twenty-six Afternoons of Biology: An Introductory Laboratory Manual,. 2nd ed. Addison-Wesley, 1966.