Cita APA (7th ed.)

Langel, U. (2011). Cell-penetrating peptides: Methods and protocols (2nd ed.). Humana Press.

Cita Chicago (17th ed.)

Langel, Ulo. Cell-penetrating Peptides: Methods and Protocols. 2nd ed. Totowa, NJ: Humana Press, 2011.

Cita MLA (9th ed.)

Langel, Ulo. Cell-penetrating Peptides: Methods and Protocols. 2nd ed. Humana Press, 2011.