APA (7th ed.) Citation

Seifert, E. (1964). The doctor's strange secret. Collins.

Chicago Style (17th ed.) Citation

Seifert, Elizabeth. The Doctor's Strange Secret. London: Collins, 1964.

MLA (8th ed.) Citation

Seifert, Elizabeth. The Doctor's Strange Secret. Collins, 1964.

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