APA ציטוט

Hirschland, R. B. (1987). How animals care for their babies. National Geographic Society.

Chicago Style (17th ed.) Citation

Hirschland, Roger B. How Animals Care for Their Babies. Washington, D.C.: National Geographic Society, 1987.

ציטוט MLA

Hirschland, Roger B. How Animals Care for Their Babies. National Geographic Society, 1987.