Cita APA (7a ed.)

Kieran, J. (1955). An introduction to nature: Birds, wild flowers, trees (6a. ed.). Hanover House.

Cita Chicago Style (17a ed.)

Kieran, John. An Introduction to Nature: Birds, Wild Flowers, Trees. 6a. ed. Nueva York: Hanover House, 1955.

Cita MLA (9a ed.)

Kieran, John. An Introduction to Nature: Birds, Wild Flowers, Trees. 6a. ed. Hanover House, 1955.