APA (7th ed.) Citation

Leshem, P., & Lesheim, P. (1969). Rescue efforts in the Iberian Peninsula. Year-book.

Chicago Style (17th ed.) Citation

Leshem, Perez, and Perez Lesheim. "Rescue Efforts in the Iberian Peninsula." Year-book 1969.

MLA (8th ed.) Citation

Leshem, Perez, and Perez Lesheim. "Rescue Efforts in the Iberian Peninsula." Year-book, 1969.

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