Cita APA

Seymour, P. (1968). The treasure of friendship: Favorite writings about enjoying and keeping friends. Kansas City, Missouri: Hallmark.

Citación estilo Chicago

Seymour, Peter. The Treasure of Friendship: Favorite Writings About Enjoying and Keeping Friends. Kansas City, Missouri: Hallmark, 1968.

Cita MLA

Seymour, Peter. The Treasure of Friendship: Favorite Writings About Enjoying and Keeping Friends. Kansas City, Missouri: Hallmark, 1968.